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

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

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

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

Answers to some of those questions could finally become public after President Trump's call last week for the release of ...

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 ...

Retired U.S. Air Force Major General William Neil McCasland was last seen on February 27 in Albuquerque, New Mexico.

UFO discussions have long been part of the milieu at the Conscious Life Expo, which convenes thousands of New Age spiritual ...

Streetlights shaped like alien heads line the roads of Roswell, New Mexico, where murals of flying saucers streak across storefronts and tourists pose beside statues of little green men. Related video ...

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