Scientists are trying to understand how complex life emerged on Earth about 2 billion years ago. Our microbial ancestors could be the key.

Government officials have said little about Trump’s most recent social media post on the matter. The president cited “tremendous interest” in the files, whatever they might contain. Perhaps the most ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” Richard Feynman’s reflection lingers because it feels personal.

A new DNA analysis suggests that the genetic legacy of the Mongol Empire is likely more complicated than historians previously assumed ...

Hardy bacteria in a lab survived pressures comparable to an asteroid strike on the red planet, suggesting a hypothetical scenario in which our planet was seeded with life.

When ancient DNA studies began to gain attention, little more than a decade ago, the view took hold among geneticists that ...

When ancient humans interbred, new research shows that the pairings were predominantly male Neanderthals and female Homo ...

According to sources close to the investigation, there are concerns that DNA recovered from Nancy Guthrie's home may not yield a usable profile for comparison.

The mixed DNA sample found at Nancy Guthrie's house is complicating the search for her, after she was taken from her Arizona ...

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

President Donald Trump says he’s directing the Pentagon and other government agencies to identify and release files related to extraterrestrials and UFOs because of “tremendous interest.” ...

In a Truth Social post, the U.S. president said his move was based on the "tremendous interest" in the subject, without providing additional details.