NASA and its international partners are set to receive scientific research samples and hardware as a SpaceX Dragon spacecraft is scheduled to depart the International Space Station on Tuesday, June 16, for its return to Earth.

Watch NASA’s live undocking coverage beginning at 11:45 a.m. EDT on NASA+, Amazon Prime, and the agency’s YouTube channel. Learn how to watch NASA content through a variety of online platforms, including social media.

The Dragon spacecraft will undock from the forward port of the station’s Harmony module at about 12:05 p.m., after receiving a command from SpaceX ground controllers. The spacecraft then will fire its thrusters to move safely away from the orbiting complex.

Following a June 16 departure, the spacecraft will reenter Earth’s atmosphere on Wednesday, June 17, before splashing down off the coast of California at approximately 5:08 a.m. PDT. NASA will not stream the splashdown but will post updates on its space station blog.

Dragon will return to Earth with thousands of pounds of cargo, carrying samples that could shape future space exploration and life on Earth. Research returning includes bioprinted organ and cartilage tissue, data on improving cryogenic fuel storage for future space missions, and DNA‑inspired materials to develop new cancer treatments. The returning hardware includes an ocular imaging device used to monitor crew members’ eye health, an absorbent bed that filters trace contaminants from cabin air, and a separator pump from the waste and hygiene compartment.

Loaded with nearly 6,500 pounds of crew cargo and science experiments, Dragon arrived at the station on May 17 after launching two days earlier on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.

For more than 25 years, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge and making research breakthroughs not possible on Earth. The space station helps NASA understand and overcome the challenges of human spaceflight, expand commercial opportunities in low Earth orbit, and build on the foundation for long-duration missions to the Moon, as part of the Artemis program, and to Mars.

Get breaking news, images, and features from the space station on Instagram, Facebook, and X.

Learn more about International Space Station research and operations at:

https://www.nasa.gov/international-space-station

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Jimi Russell
Headquarters, Washington
202-358-1100
james.j.russell@nasa.gov

Leah Cheshier
Johnson Space Center, Houston
281-483-5111
leah.d.cheshier@nasa.gov

NASA astronaut Andre Douglas, ESA (European Space Agency) astronaut Luca Parmitano, and NASA astronauts Randy Bresnik and Frank Rubio take a photo together on June 9, 2026. The four were announced as the Artemis III crew.

NASA’s Artemis III mission in low Earth orbit will test integrated operations between the Orion spacecraft and one or both commercial landers from SpaceX and Blue Origin respectively.

Learn more about the next Artemis mission and the crew.

Image credit: NASA/Robert Markowitz

One year after Gemini IV astronaut Edward H. White completed NASA’s first spacewalk the agency prepared for a demanding second excursion. Originally scheduled for Gemini VIII, the extravehicular activity (EVA) was reassigned to Gemini IX-A after that mission ended early, with Gene Cernan taking on the task.

On June 5, 1966—the mission’s third day—Cernan exited the spacecraft and quickly found himself fighting his own equipment. His spacesuit was so rigid that even simple movements required intense effort. He struggled to complete the simplest maneuvers.

Within minutes, Cernan was exhausted and sweating profusely. His spacesuit was cooled only through the circulation of oxygen and as he worked to complete the goals of the EVA, his helmet fogged over completely, obstructing his view and his heart rate rose to about 180 beats per minute. As concerns grew that he might lose consciousness, the EVA was called off and Cernan’s spacewalk ended after two hours and eight minutes.

When Gemini IX-A returned to Earth, doctors found that Cernan had lost 13 pounds during the three-day mission, most of it water lost during his EVA.

The challenges Cernan faced that day reshaped NASA’s approach to spacewalking. His experience directly influenced improved training methods, refined EVA procedures, and precipitated advances in spacesuit design—key steps in preparing astronauts for lunar surface missions just a few years later.

Credit: NASA

NASA will host a public event featuring three crew members from the agency’s SpaceX Crew-11 mission at 11 a.m. EDT Monday, June 1. The event, which takes place during the crew’s standard postflight visit, will be held in the Webb Auditorium at NASA Headquarters in the Mary W. Jackson building, 300 E. Street SW in Washington.

The crew members, including NASA astronauts Zena Cardman and Mike Fincke and JAXA (Japan Aerospace Exploration Agency) astronaut Kimiya Yui, will discuss their recent 167-day mission aboard the International Space Station, where they conducted a wide range of science experiments to benefit life on Earth and advance human space exploration as part of International Space Station Expedition 73/74.

The Crew-11 mission lifted off on Aug.1, 2025, from Launch Complex 39A at NASA’s Kennedy Space Center in Florida. The crew’s SpaceX Dragon spacecraft docked to the orbital outpost on Aug. 2.

During their mission, the three astronauts, along with crewmate Roscosmos cosmonaut Oleg Platonov, traveled nearly 71 million miles and completed more than 2,670 orbits around Earth. The Crew-11 mission was Fincke’s fourth spaceflight, Yui’s second, and the first for Cardman and Platonov. Fincke has logged 549 days in space, ranking him fourth among all NASA astronauts for cumulative days in space. The crew members returned to Earth on Jan. 15, splashing down off the coast of San Diego.

Along the way, Crew-11 logged hundreds of hours of research, maintenance, and technology demonstrations. The crew members also celebrated the 25th anniversary of continuous human presence aboard the orbiting laboratory on Nov. 2, 2025. Research conducted aboard the space station advances scientific knowledge and demonstrates new technologies that enable us to prepare for human exploration of the Moon and Mars.

Media interested in attending the event must RSVP by 8 a.m., June 1, by emailing the NASA Headquarters newsroom at hq-media@mail.nasa.gov. NASA’s media accreditation policy is online. Based on the crew’s schedule, NASA will not be able to accommodate interviews.

This opportunity also is part of NASA’s Frontiers Forum: Voices Shaping the Future of Space speaking series designed to convene bold thinkers and senior leaders at the forefront of exploration and innovation. The series will spotlight mission-critical priorities from advancing the Artemis campaign and strengthening commercial partnerships to shaping the future workforce and accelerating breakthrough technologies. The agency will share more details soon.

To learn more about the International Space Station and its research and crews, visit:

https://www.nasa.gov/station

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Gerelle Dodson
Headquarters, Washington
202-358-1600
gerelle.q.dodson@nasa.gov

After a 12-year career at NASA, U.S. Army Brig. Gen. Andrew R. Morgan has retired from the agency to continue his military service. Morgan spent 272 days in space aboard the International Space Station.

NASA selected Morgan to join its 21st astronaut class in August 2013. He launched to the space station aboard a Soyuz MS-13 spacecraft on July 20, 2019, the same day as the 50th anniversary of the Apollo 11 Moon landing, from the Baikonur Cosmodrome in Kazakhstan.

Morgan served as a flight engineer on International Space Station Expeditions 60, 61, and 62, contributing to hundreds of scientific experiments, technology demonstrations, and space station maintenance activities. He traveled over 115 million miles (about 185 million km) while completing more than 4,300 Earth orbits over the course of his mission.

“Drew’s leadership and commitment to human spaceflight exemplify the very best of NASA,” said Vanessa Wyche, director of NASA’s Johnson Space Center in Houston. “From his service aboard the International Space Station to his continued passion for exploration, Drew’s impact across the agency has been profound. His steadfast dedication to the agency will continue to inspire generations to come.”

During his nine months aboard the station, Morgan conducted seven spacewalks for a total of 45 hours and 48 minutes of spacewalking time, breaking the record for a single spaceflight by a U.S. astronaut. Four of his spacewalks were dedicated to repairing the Alpha Magnetic Spectrometer, a particle physics detector designed to search for evidence of antimatter and dark matter.

“Drew approached every challenge with quiet confidence, sharp judgment, and an unwavering commitment to his team,” said Scott Tingle, chief of the Astronaut Office at NASA Johnson. “Whether serving in orbit or strengthening crew readiness here on the ground, he consistently elevated the people and missions around him. His leadership and example will continue to resonate across the astronaut corps for years to come.”

Morgan’s career at NASA also included serving as the Astronaut Office’s mission support branch chief, crew operations officer, astronaut mission control team liaison for Expeditions 67 and 68, and Army detachment commander. In his final two years at NASA, Morgan served a rotational assignment back to the U.S. Army as commander of U.S. Army Garrison Kwajalein Atoll, and senior military advisor for the U.S. Ambassador to the Republic of the Marshall Islands.

Morgan was born in Morgantown, West Virginia, but considers New Castle, Pennsylvania, his hometown. At the time of his NASA astronaut selection, he was a board-certified emergency physician and had served in elite special forces units around the globe. He is a graduate of the United States Military Academy at West Point, the Uniformed Services University of the Health Sciences, and the U.S. Army War College. He is currently serving as the commanding general of White Sands Missile Range in New Mexico.

“It has been an honor to serve in the nation’s space program,” Morgan said. “I am proud to have represented my country on an international mission that brings the best of humanity together for a shared purpose. I will miss the camaraderie of my incredible NASA teammates and their unparalleled expertise. While leaving the astronaut corps is bittersweet, I’m excited to continue serving our country as a leader in the U.S. Army.”

To learn more about how NASA explores the unknown and innovates for the benefit of humanity, visit:

https://www.nasa.gov/astronauts

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Anna Schneider

Johnson Space Center, Houston

281-483-5111

anna.c.schneider@nasa.gov

Expedition 74 astronauts aboard the International Space Station are continuing research efforts to manufacture large quantities of stem cells for therapies on Earth. Previous studies have focused on fine-tuning hardware that allows scientists to produce greater quantities of high-quality stem cells. Now, the InSPA-StemCellEX-H2 investigation is aiming to demonstrate large scale production of blood stem cells for pharmaceutical and clinical use.

The research uses stem cells derived from the human body to produce large quantities of cells for patient use through a process called “expansion”. Although stem cells can be expanded in labs on Earth, they have limitations. For example, Earth-produced cells lose their ability to form the different cells in our blood system, like red and white blood cells or platelets, which are critical for leukemia patients that receive stem cells to build up their blood system after chemotherapy.

Dr. Tobias Niederwieser, assistant research professor at BioServe Space Technologies within the University of Colorado Boulder says, “The microgravity environment in space is much more suitable for keeping the stem cells in their high-quality state during expansion.” Scientists predict that growing cells in space may lead to higher expansion potential and a lower risk of rejection when used in patients on Earth. This research could create long-term cell supplies for patients suffering from fatal blood disorders, various blood cancers, or severe immune diseases, and enable more reliable and accessible therapies. “The end result is really to benefit patients in hospitals here on Earth,” Dr. Niederwieser says.

Space station research allows scientists and commercial companies around the world to test new technologies and innovative medical solutions that have the potential to greatly benefit life on Earth.

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Editor’s note: Release was updated May 27, 2026, to provide additional details on the crewed lunar terrain vehicles.

During a Moon Base event Tuesday at NASA’s Headquarters in Washington, the agency announced new contracts for lunar rovers for crew to drive and uncrewed cargo landers bound for the Moon. NASA leaders also shared target launch timeframes and upcoming milestones for the first Moon Base infrastructure and exploration missions to the lunar South Pole region ahead of Artemis astronaut landings.

“The Moon Base will be America’s and humanity’s first outpost on another celestial world,” said NASA Administrator Jared Isaacman. “Every mission, crewed and uncrewed, will be a learning opportunity as we return to the lunar surface, build the infrastructure to stay, and master the skills required to live and operate in one of the most demanding and dangerous environments imaginable. We will go for the science, for all we stand to gain from an economic and technological perspective, for the innovations that will make life better here on Earth, and to prepare for where we will inevitably go next. We are grateful for President Trump’s leadership, the bipartisan commitment from Congress, our industry and international partners, and the dedicated NASA workforce whose expertise enables us to achieve the near-impossible.”

NASA announced the first three Moon Base missions to begin building sustained operations:

• Moon Base I: Targeted for launch no earlier than fall 2026, this mission will use Blue Origin’s Blue Moon Mark 1 Endurance lander to deliver NASA payloads. Equipment will include the Stereo Cameras for Lunar Plume-Surface Studies instrument to study how thrusters interact with the Moon’s surface, and the Laser Retroreflective Array, which helps orbiting spacecraft determine a more precise location using reflected laser light. The mission will land on the Shackleton Connecting Ridge to demonstrate capabilities that reduce risk for future crewed Artemis landing missions in 2028.
• Moon Base II: Planned for launch later this year, this mission will deliver more than 1,100 pounds of cargo on Astrobotic’s Griffin lander, including Astrolab’s FLIP rover, to mature mobility systems that inform future lunar terrain vehicle, or LTV, operations.

• Moon Base III: Also targeted for this year, this mission will fly the first payload selected through NASA’s Payloads and Research Investigations on the Surface of the Moon initiative. Its anchor investigation, Lunar Vertex, will fly on Intuitive Machines’ Nova-C Trinity lunar lander and study lunar swirls, or light spots on the surface of the Moon, to improve understanding of surface evolution and material behavior under extreme conditions. The mission will include payloads from ESA (European Space Agency) and the Korea Astronomy and Space Science Institute, reflecting commercial and international participation in Moon Base activities.

These missions are the first of more than a dozen missions that will be announced this year, each designed to generate operational data and reduce risk ahead of crewed Artemis surface activities.

NASA has awarded Astrolab $219 million and Lunar Outpost $220 million to build and deliver the first phase of LTVs. Awarded under the Phase 1 High Achievability Mission task orders of the Lunar Terrain Vehicle Services contract, these firm-fixed-price, performance-based milestones will enable NASA to deploy crewed and uncrewed mobility systems to the lunar surface by 2028 through the agency’s CLPS (Commercial Lunar Payload Services) initiative. Early surface mobility is a foundational component of the national space policy priority to create an enduring lunar presence.

Astrolab’s Crewed Lunar Vehicle, or CLV‑1, adapted from the company’s FLEX architecture, is a crewed rover designed to transport astronauts, carry supplies, and support remote operations, with a compact stowed configuration, a mass of about 2,000 pounds, and the ability to reach more than 6 mph on level terrain.

Complementing this capability, Lunar Outpost’s Pegasus is a lighter, mission‑ready evolution of its Eagle rover designed explicitly to meet NASA’s updated crewed LTV requirements. Operational for up to a year and capable of manual, autonomous, or teleoperated driving at speeds more than 9 mph, Pegasus incorporates Apollo‑heritage technologies and builds on prototype and flight experience to deliver human‑centered mobility essential for establishing a sustained Moon Base.

Deploying multiple LTVs early in Moon Base development will accelerate technology demonstrations, inform site planning, and reduce operational risk ahead of crewed Artemis missions, enabling NASA to characterize terrain hazards, move materials, pre-stage resources, and mature systems needed for long-duration lunar exploration.

Over the next 18 months, the selected providers will finalize rover designs, conduct crewed evaluations, and qualify flight units for operational readiness, with the resulting LTVs supporting autonomous traverses, terrain preparation, scientific investigations, technology demonstrations, and astronaut transport.

As Moon Base efforts advance, NASA will expand opportunities for additional vendors through on‑ramp competitions, fostering a robust, sustainable approach to lunar mobility and strengthening national priorities in space capability.

To deliver these rovers to the Moon’s South Pole region, NASA awarded Blue Origin $188 million with an option period worth $280.4 million for two task orders, which includes an option period based on initial phase performance. NASA can choose to extend the task order for payload delivery.

This competitive procurement, executed under the CLPS 1.0 indefinite-delivery/indefinite-quantity framework, the CX-2 task order represents a strategic investment in lunar exploration and will play a critical role in enabling mobility and infrastructure development for sustained lunar operations, marking a significant step toward establishing a permanent human presence on the Moon.

Building on the successes and lessons learned from CLPS 1.0, the agency also outlined how the next generation of cargo landers under CLPS 2.0 will continue to deliver payloads to the lunar surface and lunar orbit, supporting NASA’s ambitious goals for sustained lunar operations. This next phase introduces enhanced flexibility, allowing NASA to order turn-key delivery services or start accepting delivery of CLPS hardware for integration into its own missions. The final CLPS 2.0 request for proposal was released on May 15, with responses due on Tuesday, June 30.

Moonfall update

The agency also shared new updates on MoonFall, a mission that will send four drones to fly short hops on the lunar surface as they survey potential landing sites for Artemis astronauts. NASA‘s Jet Propulsion Laboratory in Southern California has been developing the design and testing prototype hardware and has selected Firefly Aerospace to build the spacecraft that will transport the drones from Earth orbit to the Moon. Launch is targeted for 2028.

The drones will independently land on the lunar surface and then gather high-resolution imagery of hard-to-reach terrain over the course of a single lunar day. After each drone’s final flight, its survive-the-night payload will continue to operate for several months, marking a sustained U.S. presence at the lunar South Pole.

More robotic missions to come

Finally, NASA stated in the coming weeks that a selection of additional CLPS 1.0 task awards, issued during the agency’s Ignition event, for Moon Base payloads and technology demonstrations, is forthcoming. In the coming months, there also will be additional opportunities to compete for CLPS 1.0 and 2.0 task orders as Phase 1 technology demonstrations are defined and planned for Moon Base missions.

During the update, NASA leadership reiterated that establishing a sustained lunar presence is aligned with the agency’s broader exploration strategy, supported by increased launch cadence, expanded industry partnerships, and agencywide coordination.

As part of the Golden Age of innovation and exploration, NASA will send astronauts on increasingly difficult missions to explore more of the Moon for scientific discovery, economic benefits, and to build on our foundation for the first crewed missions to Mars.

For more on Moon Base, visit:

https://www.nasa.gov/moonbase

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George Alderman / James Gannon
Headquarters, Washington
202-358-1600
george.a.alderman@nasa.gov / james.h.gannon@nasa.gov

NASA will provide live coverage on Wednesday, May 27, as two Roscosmos cosmonauts conduct a spacewalk outside the International Space Station. The spacewalk is scheduled to begin at approximately 10:15 a.m. EDT and last roughly five hours.

Watch NASA’s live coverage beginning at 9:45 a.m. on NASA+, Amazon Prime, and the agency’s YouTube channel. Learn how to watch NASA content through a variety of online platforms, including social media.

International Space Station Expedition 74 commander Sergey Kud-Sverchkov and flight engineer Sergei Mikaev will install a solar radiation experiment on the Zvezda service module and remove other science hardware from the Poisk and Nauka modules of the orbiting complex’s Roscosmos segment. If time allows, the duo also will photograph one of the Progress 94 cargo spacecraft’s Kurs rendezvous antennas, which failed to deploy in March following its launch to the space station.

This Roscosmos spacewalk will be the second for Kud-Sverchkov and the first for Mikaev. Kud-Sverchkov will wear a spacesuit with red stripes, and Mikaev will wear a spacesuit with blue stripes. It will be the 279th spacewalk in support of space station assembly, maintenance, and upgrades.

To learn more about International Space Station research, operations, and its crews, visit:

https://www.nasa.gov/station

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Josh Finch / Jimi Russell
Headquarters, Washington
202-358-1100
joshua.a.finch@nasa.gov / james.j.russell@nasa.gov

Sandra Jones
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov

The 34th SpaceX commercial resupply mission under contract with NASA is headed to the International Space Station with new scientific experiments after lifting off at 6:05 p.m. EDT Friday on a Falcon 9 rocket from Space Launch Complex 40 at Cape Canaveral Space Force Station in Florida.

The SpaceX spacecraft, loaded with nearly 6,500 pounds of cargo for the space station’s Expedition 74 crew, is scheduled to autonomously dock at about 7 a.m. Sunday, May 17, to the forward port of the station’s Harmony module.

Watch NASA’s live rendezvous and docking coverage beginning at 5:30 a.m. on NASA+, Amazon Prime, and the agency’s YouTube channel. Learn how to watch NASA content through a variety of online platforms, including social media.

In addition to cargo for the crew aboard the space station, Dragon will deliver several new experiments, including a project to determine how well Earth-based simulators mimic microgravity conditions, a bone scaffold made from wood that could produce new treatments for fragile bone conditions like osteoporosis, and equipment to help researchers evaluate how red blood cells and the spleen change in space. The Dragon spacecraft also will carry a new instrument to study charged particles around Earth that can impact power grids and satellites, an investigation that could provide a fundamental understanding of how planets form, and an instrument designed to take highly accurate measurements of sunlight reflected by Earth and the Moon.

These experiments are just a sample of the hundreds of investigations conducted aboard the orbiting laboratory in the areas of biology and biotechnology, physical sciences, and Earth and space science. For more than 25 years, people have lived and worked continuously aboard the International Space Station, advancing scientific knowledge and making research breakthroughs that aren’t possible on Earth. The space station helps NASA understand and overcome the challenges of human spaceflight, expand commercial opportunities in low Earth orbit, and build on the foundation for long-duration missions to the Moon, as part of the Artemis program, and to Mars.

The Dragon spacecraft is scheduled to remain at the station until mid-June, when it will depart and return to Earth with time-sensitive research and cargo, ahead of splashing down off the coast of California.

Learn more about International Space Station research, operations, and its crews at:

https://www.nasa.gov/station

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Jimi Russell
Headquarters, Washington
202-358-1100
james.j.russell@nasa.gov

Danielle Sempsrott / Leejay Lockhart
Kennedy Space Center, Fla.
321-867-2468
danielle.c.sempsrott@nasa.gov / leejay.lockhart@nasa.gov

Sandra Jones / Joseph Zakrzewski
Johnson Space Center, Houston
281-483-5111
sandra.p.jones@nasa.gov / joseph.a.zakrzewski@nasa.gov

NASA astronauts Jack Hathaway (bottom left), Jessica Meir (middle left), and Chris Williams (bottom right), and ESA (European Space Agency) astronaut Sophie Adenot (top right) have some fun with food and microgravity in this April 19, 2026, photo.

Northrop Grumman’s Cygnus XL cargo spacecraft delivered a shipment of fresh food, including oranges, apples, onions, and peppers, to the International Space Station. Cygnus XL also brought over 2,300 pounds of new research hardware and science experiments that the space station crew will use to explore blood stem cells to treat cancers and blood disorders and study ways to protect astronaut gut health. Other gear delivered aboard Cygnus XL include an advanced exercise system from ESA, new eye-imaging hardware, oxygen and nitrogen tanks to recharge spacesuits, and more.

Image credit: NASA/Chris Williams