3I/ATLAS captured the world's attention last month as the comet raced past the Earth, but some believed that it could have ...

Elon Musk has turned a long-running joke about being an extraterrestrial into a central part of his public persona, even as ...

Sputnik skies to analysis of interstellar visitors, scientists are rethinking how and where to look for physical traces of ...

Scientists found new evidence (or lack thereof) disproving the conspiracy theory that interstellar comet 3I/ATLAS is alien ...

The observatory will combine tech from NASA's most powerful space telescopes.

SETI@home has been one of the largest citizen science projects ever, with millions of users around the world.

Astronomers have been scanning the skies for alien radio signals for decades, but so far they’ve heard nary a peep (with one possible exception). But according to a recent study, that could be because ...

Technosignatures are theoretical signs of technologically advanced alien civilizations, but so far, none of those civilizations have phoned home. Researchers from the Search for ExtraTerrestrial ...