A rare comet from another star system is revealing just how different alien solar systems may be from our own.

A comet from beyond our solar system is carrying water so chemically unusual that scientists say it could only have formed ...

New analysis of ALMA observations of interstellar comet 3I/ATLAS show its water carries a chemical signature pointing to a colder, more distant origin than any comet ever measured.

A mysterious comet from beyond our solar system is giving astronomers a rare glimpse into alien worlds — and it may have ...

3I/ATLAS is not just another comet drifting by. This object likely formed around another star, may be older than our Sun, and ...

ALMA reveals unusual “alien” water in interstellar comet 3I/ATLAS, showing it formed in an extremely cold, distant star ...

This artist’s impression compares the semi-heavy water content of the interstellar comet 3I/ATLAS (left) and Earth (right).

When interstellar comet 3I/ATLAS swept past the Sun in late 2025, something about it had quietly shifted. Researchers trained a powerful telescope on its glowing gas cloud weeks later and found a ...

In these science fiction books, extraterrestrial beings are sympathetic, horrifying and everything in between. By James S.A. Corey James S.A. Corey is the pen name of Daniel Abraham and Ty Franck, the ...

HOUSTON — In a scene that conjured ghosts of basketball dynasties past, the Houston Comets’ “Big Three” of Cynthia Cooper, Sheryl Swoopes and Tina Thompson stood together on the court at Toyota Center ...

The Houston Comets, one of the legacy franchises of the WNBA that played during the inaugural seasons of the league, are returning to play, pending league approval. The Mohegan Tribe announced Monday, ...