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.

These and other stories appear in a book that examines the UFO phenomenon as a new religious movement, in which Pasulka, a ...

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

Renewed attention is falling on the base after the disappearance of retired Air Force Maj. Gen. William Neil McCasland, a ...

Programmer-turned-novelist Andy Weir has now cranked out two bestselling sci-fi novels that Hollywood could not resist.

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.

But not all sci-fi books are part of a series. There are a great number of standalone books that tell complete stories that are just as impressive as any series or franchise. Here are six such books, ...

Wright-Patterson has played a central role in the US military’s real investigations into mysterious objects in the sky — from ...

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 ...