One year ago, on July 1, 2025, astronomers discovered a fascinating new object moving through the solar system. Detected by the Asteroid Terrestrial-impact Last Alert System (ATLAS), the object was ...

NASA's James Webb Space Telescope is finding clues that are leading scientists toward the origins of the interstellar comet 3I/ATLAS.

Observational evidence now suggests that the comet “3I/ATLAS,” known as the third interstellar object to visit our Solar ...

JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...

We even get Juggernaut before Marvel Rivals.

Interstellar comet 3I/ATLAS has given astronomers an opportunity they rarely expect to receive. Unlike the countless icy ...

This year’s Asteroid Day has planned events worldwide and online. It acts as a reminder about advances in planetary defense.

Based on the composition of gases spewed by the icy space rock, researchers estimate that our guest might be up to 12 billion years old—about three times the age of the solar system ...

The findings surprised researchers, who used the comet's composition to better understand the environment in which it formed.

Alan Hale, co-discoverer of the Hale–Bopp comet, has died at 68. His work in astronomy and education left a lasting impact on ...

John Buccigross names Chris Berman and Keith Olbermann as locks before revealing his surprising final two picks for the ...

Interstellar comet, 3I/ATLAS, might be one of the oldest celestial bodies ever seen, potentially forming 10 to 12 billion years ago. This ancient visitor, detected in July 2025, could offer ...