Astronomers have detected the first-ever "radio signal" coming from the interstellar comet 3I/ATLAS, right as it passed the halfway mark on its oneway trip through the solar system. And while this may ...

Add Yahoo as a preferred source to see more of our stories on Google. Donald Trump's pledge to release official files relating to UFOs has intrigued conspiracy theorists who suspect the US government ...

July 29 (UPI) -- A California woman's doorbell camera captured a video of a mysterious figure that has some residents speculating about alien activity. Jessica Ortiz shared footage to social media ...

Chinese scientists' claims that their "Sky Eye" telescope could have picked up signals from intelligent aliens have been met with skepticism by an American colleague.