The best way to find alien technosignatures is to look for ones that have long survived their creators, according to a new paper.

No bombshells so far in the latest Pentagon batch of declassified Unidentified Anomalous Phenomena files. But they show the CIA hid its involvement.

A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

Most of the AI conversation stops at AGI, human-level artificial general intelligence, as if reaching it were the finish line. A new Google DeepMind report starts where that conversation ends. Titled ...

For decades, the question of whether life exists beyond Earth has been the domain of science fiction writers and late-night ...

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself resurfaces: if aliens were to arrive on Earth, would they come to conquer us, ...

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