Brazilian scientists have discovered glassy fragments, known as tektites, revealing evidence of a massive extraterrestrial impact event that occurred 6.3 million years ago.

Mars’ frozen ice caps may be time capsules for ancient life. Lab experiments show that key building blocks of proteins can survive tens of millions of years in pure ice, even under relentless cosmic ...

Scientists in Brazil have uncovered evidence of a previously unknown impact event recorded in hundreds of glassy fragments scattered across the country.

Aliens exist – they just haven't visited Earth, a NASA veteran has claimed. Dr Gentry Lee has worked at the US space agency since 1968, when he first got involved with the Viking mission to Mars. He ...

With the release, the American public could learn what, if anything, the government has documented about the unexplained sightings, such as one seen in a video made public last year by a member of ...

A viral Obama podcast answer about aliens prompted Trump to accuse him of revealing secrets and promise to release UFO files ...

Rep. Dan Crenshaw, R-Texas, joins ‘Fox News Live’ to discuss President Donald Trump’s decision to have the Pentagon release ...

But the real truth is that alien life on other planets could be even stranger than floating balloons or amorphous organisms ...

Planet K2-18b, an apparent water world 124 light years away, has been seen as a promising location in the search for aliens, ...

Former President Barack Obama ignited a firestorm when he seemed to admit aliens were “real.” Congress has explored the topic ...

Researchers argue that the presence of long chain carbon molecules on Mars "cannot be readily explained" by non-biological processes alone.

The Science: Europa has been considered as a top contender for alien life for even longer than Enceladus, thanks to its massive under-ice liquid water oceans. It also displays water vapor plumes ...