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.

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 ...