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Rogue planet found growing at astonishing record rate
Astronomers have discovered a rogue planet eating up 6 billion tons of gas and dust every second. That's the fastest rate ever recorded for any planet.
October 2, 2025
Auroras on rogue planet in a new alien weather report
Using the Webb space telescope, astronomers have observed auroras on rogue planet SIMP 0136. The giant starless world is about 20 light-years away from Earth.
October 2, 2025
See the best deep-sky photos of September 2025 here
Enjoy this gallery of deep-sky photos for September 2025 from our EarthSky community. If you have a great photo to share, send it in, too. We love to see them!
October 2, 2025
Are Humberto and Imelda undergoing the Fujiwhara effect?
Humberto and Imelda are “crowding” the Atlantic basin. They are relatively near each other. Humberto appears to be exerting a “pull” on Imelda.
October 1, 2025
Astronomers find 2 galaxies linked by a huge gas bridge
Astronomers have discovered 2 dwarf galaxies linked by a colossal hydrogen gas bridge, which spans an enormous 185,000 light-years.
October 1, 2025
Fat Bear Week 2025: The winner is crowned!
Meet Chunk, the winner of Fat Bear Week 2025! Despite a broken jaw, this mighty bear overcame 11 opponents for his 1st victory in the annual competition.
October 1, 2025
Why don’t evergreen trees change color and drop their leaves?
As temperatures drop, broad-leafed deciduous trees withdraw green chlorophyll from their leaves and turn colors. Evergreens solve the problem a different way.
October 1, 2025
Proxima Centauri discovered 110 years ago
Astronomers thought Alpha Centauri was the closest star to Earth. Then they found a smaller, fainter star that's even closer. They named it Proxima Centauri.
October 1, 2025
Sun activity archive for October 2025
Sun activity archive for October 2025. A daily record of flaring, big filaments and prominences, and other sorts of activity, on our local star.
October 1, 2025
Exoplanets are worlds orbiting other stars
Exoplanets are worlds orbiting distant stars. Watch a video with an astronomer who studies them. Learn the history of our knowledge of exoplanets, and more.
October 1, 2025
