"Eventually, our own Voyager spacecraft will be extraterrestrial artifacts in other stellar systems." ...

Avi Loeb, a Harvard astronomer who has made headlines with his theories about alien encounters, will lead a White House ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to lead a team of outside scientists to study the national security risks ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology ...

Add Yahoo as a preferred source to see more of our stories on Google. SETI scientists scanned interstellar object 3I/ATLAS for radio technosignatures and found no evidence of artificial signals.

The Trump administration has tapped a Harvard professor with controversial theories about aliens to lead a team of scientists ...

A rare visitor from another star system has undergone one of the most extensive technosignature searches ever conducted on an ...

The Manhattan district attorney’s office said it secured the return of dozens of ancient artifacts in June, after a process ...

Archaeologists in Israel have discovered a cave used by pre-Neanderthal human-like creatures who lived as long as 400,000 ...