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

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

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

The White House registered aliens.gov, a month after Trump ordered the release of all government UAP and UFO files following ...

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

Predator: Bloodshed #2 arrives in stores Wednesday, March 25th, continuing the deadly competition invaded by an alien hunter; ...

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

Time to go on an adventure ...

io9 spoke to directors Phil Lord and Chris Miller about some additions to the movie, out March 20.

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 ...