The story claims a hidden underground base where aliens and humans work together—featuring human experiments, strange cattle ...

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

A strange purple object aboard the ISS sparked alien fears online, but NASA revealed it was a potato experiment. It shows how ...

The actor reckons the human race are aliens after arriving from another planet after the dinosaurs became extinct ...

Two archaeologists explore the enduring myth that extraterrestrials contributed to the various ancient cultures around the ...

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

As the science fiction author publishes the latest novel in his Children of Time series, Children of Strife, he talks to ...

A strange, tentacled object that went viral online was revealed to be a space-grown purple potato. Astronaut Don Pettit ...

The Martian,” directed by Ridley Scott in 2015 and adapted from Andy Weir’s sci-fi novel of the same name, follows astronaut Mark Watney surviving while isolated on Mars using the pieces of technology ...

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

Phil Lord and Christopher Miller have made another bright, buoyant, summer blockbuster that relishes in its nerdy delight and ...

The current decade has been huge for sci-fi fans. We're only partway through, but here are our top picks for the best sci-fi TV shows of the 2020s so far.