A retired 'UFO general' and a NASA-linked scientist have both vanished in the US, fuelling clashes over whether the case ...

Fresh claims suggest President Donald Trump may be preparing a bombshell speech revealing decades of alleged UFO evidence, ...

12 Fighter Jets Chased Walmart-Sized UFO, Air Force Claimed Its ‘Not What It Seemed’ ...

A chilling call placed to 911 by the wife of a missing Air Force general has been leaked, providing new details surrounding ...

Andy Weir discusses his science-fueled novel “Project Hail Mary,” which has been adapted into a film that opens in theaters on Friday.

A congressman noted that one scientist's disappearance was a national security issue, claiming that he possessed some nuclear ...

A string of eight dead and missing scientists is causing concern in the U.S., as some of the disappearances are extremely ...

Astronomer Avi Loeb pointed out two papers that found that interstellar object 3I/ATLAS bears an unusually high concentration ...

Newly-released 911 call audio reveals missing UFO-linked Air Force General William Neil McCasland may have "planned not to be ...

Researchers at MBARI, the Monterey Bay Aquarium Research Institute, have been exploring this hidden world for years. Using advanced technology and deep-sea robots, they’ve captured some of the most ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view shows Wright-Patterson Air Force Base near Dayton, Ohio, in this file photo taken on March 14, 2005. - Ty Greenlees ...