The discovery bemused residents of a small town in northeastern Australia. The objects appear to be junk from a space launch, ...

A mysterious object from another star system is racing through our Solar System, and every major space telescope is watching.

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

SETI researchers found no alien signals on interstellar object 3I/ATLAS, but the study refines future searches and expands ...

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

A polarizing Harvard astronomer has been appointed to lead a White House panel studying UFOs. Avi Loeb is leading a new ...

From the Navy’s infamous Tic-Tac encounter to thousands of recent reports, believers say some of the strangest UFOs may be hiding underwater.

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

Don't play peek-a-boo in this game.

Exactly where the comet 3I/ATLAS came from within the Milky Way remains a mystery.