A NASA Curiosity rover image has sparked claims of an 'alien missile' on Mars, though NASA attributes such formations to natural geological processes.

An image of Mars taken by NASA's rover has sparked theories that aliens may be hiding on the Red Planet.

NASA’s Curiosity rover has once again found itself at the center of an extraordinary alien theory after a resurfaced image from Mars sparked fresh debate online. UFO researcher Scott C. Waring claimed ...

Mars has become a magnet for claims about strange structures, mysterious objects and possible evidence of alien civilisations. The planet's surface has countless rocks, cliffs, cavities and fractures; ...