Could aliens visit Earth? Here are some challenges

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

Sun news for May 9, 2026: Returning powerhouse AR4419 peeks over the northeast horizon. AR4432 fires all 18 flares in the past day. Stay tuned!

The 1st May full moon happens on May 1. It’ll look full on the nights before and after that, too. The 2nd May full moon – a Blue Moon – will fall on May 30-31.

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

Stardust in Antarctica reveals the presence of an element that is not naturally made on Earth. But it is created in supernovas. Read more about the evidence.

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.