The theory that aliens assisted the builders of ancient monuments was popularised by Swiss author Erich von Däniken in his ...

Add Yahoo as a preferred source to see more of our stories on Google. Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern ...

Alien experts claim powerful extraterrestrial life exists in the universe, which is beyond the control of any government — ...

Investigators circle the globe in search of evidence in their quest to determine whether life on Earth began in outer space and if aliens influenced mankind in ancient times. Did extraterrestrial ...

Could these underground bunkers be a long-forgotten refuge for alien life? (Picture: Nasa’s Mars Global Surveyor/Shutterstock) An ancient Martian system of canyons and valleys could be home to archaic ...

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

Could ancient humans really have built the pyramids without extraterrestrial help? Or do such questions reveal more about modern anxieties than the past itself? The idea that aliens assisted the ...