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 ...

A new analysis of ancient rocks on Mars has revealed organic carbon compounds that may provide new clues about the planet’s ...

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 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.

Add Yahoo as a preferred source to see more of our stories on Google. People around the world enjoyed stellar views with last week's total solar eclipse. And the day after we looked up to see the moon ...

ALMOST everywhere you go on Earth, you encounter alien species that were introduced – often inadvertently – by humans. Now it seems possible that we have done the same to Mars. Despite stringent rules ...

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 ...

Tiny carbon nuggets in meteorites from Mars were formed by cooling magma, not left by ancient alien microbes. That’s both good news and bad news for astrobiologists. The 1996 discovery of carbonate ...