Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself?

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

Debunking alien claims matters, but so does telling richer, more compelling stories about how humans shaped their own past.

Streetlights shaped like alien heads line the roads of Roswell, New Mexico, where murals of flying saucers streak across ...

Alien invasions are terrifying to think about, but cool to watch on TV. These are the 10 best shows you can watch about that unlikely occurrence, ranked.

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from Cold War-era research programs to efforts to study what the government now ...

Before he retired, Maj. Gen. William N. McCasland oversaw a research laboratory at Wright-Patterson Air Force Base near ...

Maj. Gen. William Neil McCasland, who retired from Wright-Patterson Air Force Base near Dayton, Ohio, is missing in New Mexico.

Here's the latest from the New Mexico sheriff's office searching for retired U.S. Air General William Neil McCasland.

What would you do if you woke up on a spaceship light-years from Earth without knowing why you're there? Based on the New ...