James Webb was built to look through cosmic dust and back toward the first galaxies, but its latest findings are doing more ...

Almost 13,000 years ago, North America underwent drastic changes at a rapid rate. Mammoths, mastodons, giant ground sloths, and many other large animals went extinct. Around the same time, the Clovis ...

NASA’s Hubble telescope captured an “extraordinarily” rare moment of a comet exploding into fragments, the space agency said. The comet K1, whose full name is C/2025 K1 (ATLAS), was caught fragmenting ...

A brightening comet on a once-in-170,000 years visit to the inner solar system is becoming easier to find before sunrise — and Thursday, April 16, is an ideal time to see it before it gets too close ...

An interstellar comet carries water unlike anything in our solar system, revealing a far colder birthplace and clues about planetary systems ...