NASA has already found signs of alien life on Mars but is still keeping it secret, a rogue scientist claims. Barry DiGregorio, 71, believes rovers from the space agency captured snaps of alien fossils ...

Scientists have a range of theories to explain the astounding discovery NASA have made a mind-boggling discovery on Mars – which may have come from an alien world. The peculiar “Skull Hill” rock has ...

A conspiracy theorist who has been searching through archive images from NASA believes he has uncovered some alien truths. The apparent bombshell comes in the form of a disk-shaped object with a flat ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA scrapped its $11 billion plan to return samples from Mars to Earth by 2040. It now has not one but two new options to choose ...

CREEPY new images of the “Tic Tac UFO” have surfaced after it was spotted on Mars – causing alien fans to draw resemblance to the infamous UFO sighting. The shocking discovery was made by the NASA ...

ASTRONAUTS visiting Mars could unearth a museum of alien fossils that may have belonged to an intelligent civilisation. The Buckingham Centre for Astrobiology astrobiologist thinks alien life ...

NASA has identified mysterious "green spots" on the surface of Mars, with the exciting discovery raising the tantalising possibility of past microbial life on the planet. Although NASA has emphasised ...

NASA has admitted that an over 300-foot-wide hole in the surface of Mars could be a 'portal' leading to an underground world of alien life. The American space agency shared the shocking image of a ...

UFO fans have described the bizarre spot as “the find of the century” and they insist is it human-like species Get daily headlines and breaking news alerts for FREE by signing up to our newsletter We ...

A NASA-led study has revealed that alien life could be hiding beneath the icy layers of Mars. Scientists suggested that the Red Planet's ancient ice packs may have long acted as a shield for microbial ...

Related video: What If We Discovered Alien AI? Nasa collaborated with SETI Institute and media artist Daniela de Paulis on a project to simulate sending an alien message to Earth to observe how humans ...