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.

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

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

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

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

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, ...

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

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 ...