Images of a pyramid-like shape on the surface of Mars are propelling theories that alien beings constructed the object, but one expert on the Red Planet has some disappointing news for the most ...

Aliens did not visit Earth in the distant past. They didn't build the pyramids or rule ancient Greece from Mount Olympus or teach Mesoamericans how to plant corn. How do I know? Because they did ...

The White House has registered the domain “aliens.gov,” according to federal records, though officials have not disclosed its purpose and the site is not yet active.

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 ...

A ring camera from a Southern California home captured an alien-like figure walking across a yard. NBC News' Camila Bernal spoke to some experts on whether they feel ...

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 ...

Scientists have long thought there are a series of pyramid-like structures on Mars, with recent images showing one that could ...

IMAGES of an unusual pyramid-shaped structure on Mars that look like those in Egypt have reignited wild theories about aliens ...

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 buil ...

A strange pyramid-shaped formation on Mars has fueled speculation that an advanced, Earth-like civilization may have once ...