A Japanese space probe performed a flyby of a near-Earth asteroid on Sunday in a test mission for technology that could help ...

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Astronomers have reported the discovery of an unusual X-ray transient detected by the Einstein Probe that does not fit any known class of cosmic explosions. The paper presenting its multiwavelength ...

SETI scientists searched the interstellar object 3I/ATLAS for radio signals that could indicate extraterrestrial technology but found nothing beyond human-made interference. Even so, the ...

This article contains spoilers for the film Disclosure Day. As much as Steven Spielberg likes aliens, he seems to prefer holding them at arm’s length. The creatures in Close Encounters of the Third ...

The White House has appointed Harvard astronomer Avi Loeb to lead a new scientific advisory team investigating unidentified anomalous phenomena (UAPs), commonly known as UFOs. The move is part of ...

A cosmic interloper, 3I/ATLAS, could yet be just an ancient rock. According to Michio Kaku, the bold alien-probe theory advanced by Avi Loeb doesn't stand up. Why the Alien-Craft Claim Intrigued ...

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