See great pics of Comet R3 PanSTARRS from our community

Sun news for June 4, 2026: A cannibal CME heading for Earth! Up to G3 (strong) storms are possible tonight. Prepare for auroras!

New citizen science project Space Warps lets you study new Euclid space telescope data to find galaxies bending the fabric of the universe.

Small ants clean larger ants, a researcher has discovered. It’s the first known case of interspecies grooming between ants.

Researchers have found that outer solar system object 2002 XV93 is a tiny world with an atmosphere. How does such a small object have an atmosphere?

Sun news for May 23, 2026: AR4436 fired an M flare from the far side! But an incoming region leads in flares. The Earth-facing disk is about to get busier.

Sun news for May 11, 2026: An M5.8 (moderate) flare erupts from AR4436! A G1 (minor) storm and auroras are possible midweek. Stay alert!