The EDGE

Inbox Astronomy: NASA's Hubble Detects First-Ever Spin Reversal of Tiny Comet

2026-03-26T14:00:00.000+00:00

INBOX ASTRONOMY

NASA's Hubble Detects First-Ever Spin Reversal of Tiny Comet

Release date: Thursday, March 26, 2026 10:00:00 AM Eastern Daylight Time

Outgassing jets slowed the comet’s spin and restarted it in the opposite direction

To skywatchers, comets often appear as soft, glowing smudges drifting across the night sky – cosmic cotton balls with faint tails. But behind that fuzzy appearance are surprisingly active worlds. Scientists studying the comet 41P/Tuttle–Giacobini–Kresak with NASA’s Hubble Space Telescope have found evidence that jets of gas erupting from its surface may have slowed the comet’s spin to a stop and then restarted it in the opposite direction.

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Inbox Astronomy: NASA Webb, Hubble Share Most Comprehensive View of Saturn to Date

2026-03-25T18:00:00.000+00:00

INBOX ASTRONOMY

NASA Webb, Hubble Share Most Comprehensive View of Saturn to Date

Release date: Wednesday, March 25, 2026 2:00:00 PM Eastern Daylight Time

Infrared and visible observations show layers and storms in the ringed planet’s atmosphere

For centuries, Saturn has captivated skywatchers, from the first telescopic glimpses of its strange “ears” in the 1600’s to the detailed spacecraft portraits of today. Now, two of NASA’s most powerful observatories – the James Webb Space Telescope and the Hubble Space Telescope – are continuing that tradition. By observing the ringed planet in different wavelengths of light, the telescopes are revealing new insights into this gas giant.

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Inbox Astronomy: NASA Awards Astrophysics Postdoctoral Fellowships for 2026

2026-03-25T16:00:00.000+00:00

INBOX ASTRONOMY

NASA Awards Astrophysics Postdoctoral Fellowships for 2026

Release date: Wednesday, March 25, 2026 12:00:00 PM Eastern Daylight Time

Fellows will work to answer three broad questions about the universe

NASA just named the 2026 class of the NASA Hubble Fellowship Program (NHFP). It includes 24 outstanding astrophysics researchers who will advance NASA’s pursuit of understanding how the universe works, how it evolved over time, and whether we’re alone in it. This highly competitive program received more than 650 applications for this year’s class, representing an oversubscription rate of 27 to 1.

Each fellow is awarded up to three years of support at a U.S. institution to pursue independent astrophysics research. These fellows are divided into three sub-categories based on their work: Einstein Fellows, who will investigate how the universe functions; Hubble Fellows, who will seek to understand how the universe evolved; and Sagan Fellows, who will try to answer the question, “Are we alone?”

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