A dune field on Mars, as seen by the Mars Reconnaissance Orbiter.

Recent scientific findings on K2-18b and Mars sparked alien life speculation. A survey revealed few astrobiologists believed ...

A group of experts provided their own estimates as to when actual proof of alien life will be discovered. According to the scientists, it is possible that traces of alien life will be found on Mars or ...

Add Yahoo as a preferred source to see more of our stories on Google. Mars "pyramid" shape from above (NewsNation) — Images of a pyramid-like shape on the surface of Mars are propelling theories that ...

A new analysis of ancient rocks on Mars has revealed organic carbon compounds that may provide new clues about the planet’s potential to preserve signs of past life, according to research published in ...

A mysterious tripod-like object captured by NASA's Curiosity rover on Mars has sparked debate about extraterrestrial life, though experts suggest it may be a camera artefact.

A NASA mars rover image has sparked wild claims from a UFO researcher that it shows an unexploded alien missile on Mars. NASA - by Dr. Carol Stoker, NASA Ames Research Center, Public Domain, via ...

A strange pattern in the soil of Mars has reopened the discussion that something may still be living on the long-dead planet.

An alien weapon has been found on Mars, according to a top UFO researcher. RadarOnline.com can reveal an image taken by NASA's Curiosity rover shows a long, narrow formation protruding from rocky ...

The idea that life on Earth began elsewhere in space has long been controversial, but it’s now gaining traction ...