Recent outlandish claims from a prominent UFO researcher suggest that a sprawling extraterrestrial metropolis once stood on the shores of a long-lost ocean on the red planet. The Ancient Aliens Mars ...

John Brandenburg—a plasma physicist at an aerospace development company—argues that there was an alien civilization on Mars. He cites data from NASA’s Curiosity rover, claiming that xenon levels on ...

A NASA image from Mars has reignited an old question online: are some of the strange patterns on the Red Planet really signs of life or movement there NASA/nasa.gov A NASA image from Mars has ...

A photo taken by the Mars Curiosity Rover a few years ago has resurfaced online, and that’s because it shows something strange on the horizon. Taken on Curiosity’s Right Navigation Camera on August 20 ...