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.

Experts are helping debunk fake images and videos of the war with Iran that are circulating online.

Ridley Scott’s The Martian isn’t just an excellent sci-fi yarn. It’s one of the year’s best movies and 3D experiences, a ...