Even by the strange standards of interstellar visitors, 3I/ATLAS is turning into a real cosmic outlier. Discovered on July 1, ...

A Harvard University astrophysicist has sparked a furious debate by warning he cannot rule out that extraterrestrials are ...

CAMBRIDGE, Massachusetts (WBZ) — Scientists are watching a newly discovered object in space, and most of them agree it’s a comet, but not all of them. A Harvard scientist, who believes he’s seen proof ...

Object 3I/ATLAS is now too far from Earth to aim a telescope at, but prior observations showed some unusual behavior. The anomalous nature of the object led astrophysicist Avi Loeb to apply a thought ...

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...