Kochab and Pherkad: Outer bowl stars of the Little Dipper

Kochab and Pherkad are stars in the Little Dipper asterism. Maybe you can find the Big Dipper but not the Little Dipper? This post will help.

Watch sungrazing Comet MAPS break up near the sun

Sungrazing comet C/2026 A1 (MAPS) apparently didn't survive its close encounter with the sun. Watch the apparent breakup in spacecraft images!

Bull sharks choose companions and form lasting bonds

Bull sharks form enduring social bonds, selecting preferred companions and sustaining strong, structured networks in the wild.

Walking robots on Mars could speed up life search

Researchers in Europe are testing a prototype for walking robots on Mars or the moon. Robots like this would be faster and more autonomous than current rovers.

11,000 new asteroids! Astronomers call it ‘tip of iceberg’

Rubin Observatory’s early data revealed more than 11,000 new asteroids in the asteroid belt, along with some 380 objects beyond Neptune.

5 insights on interstellar comet 3I/ATLAS from ESA’s Juice mission

Juice reveals Comet 3I/ATLAS is highly active, with vast gas and dust clouds. It behaves like solar system comets and offers clues to its interstellar origins.

Meet Chamaeleon, a southern constellation

The constellation Chamaeleon the Chameleon is a dark patch of sky that lies deep in the Southern Hemisphere and is visible any night of the year.

See the best deep-sky photos of March 2026

Enjoy this gallery of deep-sky photos for March 2026 from our EarthSky community. If you have a great photo to share, send it in, too. We love to see them!

Tiny comet shows first-ever spin reversal

For the first time, Hubble observations reveal that a tiny comet has stopped spinning in one direction and has reversed to spin in the opposite direction.

Humans’ deep connection to dogs spans more than 15,000 years

The oldest-known dogs, according to genetic analysis, lived about 15,000 years ago. They were widespread in Europe by 14,000 years ago.