Aliens exist - they just haven't visited Earth, NASA veteran Dr Gentry Lee has claimed.

On Thursday the U.S. president ordered the release of federal files related to UFOs and aliens, although no evidence of extraterrestrials visiting Earth is known to exist ...

This aerial view captures The British Music Experience positioned along Liverpool waterfront beside the iconic Royal Liver ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid eggs.

President Trump directed his administration to release files on UFOs and any "alien and extraterrestrial life," an issue that ...

New photos captured by NASA's Curiosity rover show that Mars' giant, spiderweb-like "boxwork" features are covered in tiny, never-before-seen nodules that bear a striking resemblance to arachnid ...

President Donald Trump says he’s directing the Pentagon and other government agencies to identify and release files related ...

"We’ve got our people working on it right now,” said the U.S. Defense Secretary.

Documents might help scientists shed light on unexplained phenomena and government secrets, experts said.

NASA’s Curiosity rover has uncovered the largest organic molecules ever detected on Mars. Hidden inside a 3.7 ...

The web-like features are believed to be sculpted by ancient groundwater, offering new clues about the Red Planet's watery ...

Arnie said, "Get your a* to Mars", but is it really a good idea? We asked the experts about our Martian future.