Over four decades, the Alien franchise has brought many different versions of the xenomorph creature to theaters.

Between 280 and 200 million years ago, a group of animals evolved which would eventually give rise to mammals, including ...

This article contains spoilers for the Alien: Earth Season 1 finale. Who are the real monsters on Alien: Earth? That’s literally the title of the final episode of Season 1, “The Real Monsters,” but it ...

Researchers studying a 250-million-year-old fossil have found the first ever proof that mammal ancestors laid eggs, with the ...

The species in question was a therapsid, a group of animals that was the forefather to modern-day mammals, including humans.

Researchers identified an early mammal ancestor whose eggs may have helped it survive the Great Dying 250 million years ago.

Do little green men exist? Was 'Men In Black' a documentary? Prediction markets price the odds of the U.S. confirming aliens before 2027 - here’s why traders overwhelmingly expect a government ...