Scientists discover cosmic 'scar' in interstellar clouds left by a close shave between our sun and 2 intruder stars

One of the most promising Earth-like worlds may not have an atmosphere after all

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Which exoplanet in the TRAPPIST-1 system could be habitable? Scientists are modeling the star to find out

Watch live: US Senate vote to appoint Jared Isaacman as head of NASA today

What supermoon am I? A lunar personality test

Northern lights may be visible in 17 states (and maybe more) tonight

Uranus's small moons are dark, red, and water-poor

5 key takeaways from Jared Isaacman's 2nd NASA chief nomination hearing

A green flash at sunset | Space photo of the day for Dec. 8, 2025

NASA spacecraft were vulnerable to hacking for 3 years and nobody knew. AI found and fixed the flaw in 4 days

Sun unleashes intense X-class solar flare, triggering radio blackouts across Australia

Watch 3 astronauts head home to Earth from the International Space Station tonight