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.

Stephen Colbert trolls Barack Obama over viral aliens interview The latest trailer for Steven Spielberg's Disclosure Day, ...

Seventy million years ago, a feathered, flightless dinosaur known as an oviraptor squatted over a carefully arranged ring of ...