A strange formation spotted deep within a massive Martian canyon is once again fueling debate over whether something more ...

A documentary filmmaker sparked a discussion of advanced Martian civilizations after sharing footage that appeared to depict ...

The odd pyramid-like structure found in the largest canyon network in the solar system has sparked theories the Red planet was once inhabited by an ancient civilisation ...

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.

A fan theory suggests iconic Arnold Schwarzenegger vehicles "The Terminator" and "Predator" take place in the same universe. We break it down.