εpsilon

Meet the voices astronauts hear in space. At ESA’s European Astronaut Centre in Cologne, Germany, the EUROCOM team is the link between crew and ground, guiding astronauts like ESA astronaut Sophie Adenot through their daily work on the International Space Station. Join us as EUROCOM expert Andreas Orth explains how complex operations are translated into clear, real-time communication and what it means to be the one voice connecting Earth and orbit.

This interview was recorded in March 2026.

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Keep exploring with ESA Explores.

In April, Galileo marked a step forward with the deployment of a new signal component, known as E5a Quasi Pilot, on 12 satellites of Europe’s satellite navigation constellation. This upgrade makes Galileo signals easier to access, particularly on emerging mass-market, low-power devices used for Internet of Things and smart city applications.

Week in images: 15-19 June 2026

Discover our week through the lens

Sophie is halfway through the εpsilon mission onboard the ISS, and she has already accomplished so much. Between hundreds of hours of scientific research and thousands of photographs taken from space, she has taken the time to share many unforgettable moments with us — inspiring millions along the way on social media.

The European Space Agency Council has approved the appointment of two new directors: Christine Klein as Director of Controlling, Finance and Operational Procurement, and Jean-Luc Trullemans as Director of Strategy, Legal and External Affairs.

ESA Impact: a look at ESA’s spring milestones