What if an alien civilization did not just exist somewhere in the universe, but actually reached Earth in the distant past?

If we're to find extraterrestrial life in the universe, astronomers have pinpointed the best places to look for it. They have ...

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.

Evidence of alien life or cosmic pyramid scheme? A documentary filmmaker sparked a discussion of advanced Martian ...

A warehouse worker, Teddy (played by Jesse Plemons), accuses high-powered CEO Michelle (Emma Stone) of being an ...

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 ...