An image snapped by NASA's Mars rover has sparked theories of aliens on the Red Planet. The photo shows what many have claimed is a 'Tic Tac UFO.' Among the rocky landscape is a cylinder-shaped ...

“Someone tell NASA to get back out there.” Other fans doubted the existence of a UFO sitting on Mars in this image. One user said: “I'm a believer but this ain't it. Just a smooth roc ...

NASA has identified a series of "eerie" clouds associated with UFO sightings over Florida, leaving locals puzzled. The peculiar clouds resembling jellyfish or UFOs were observed just northwest of ...