One of the most photographed features in Mystery Cave is the Turquoise Pool, a body of water so clear and so perfectly ...

President Trump said he's directing the Pentagon and other federal agencies to identify and release files related to UFOs and extraterrestrial life.

To support alien life, a planet doesn’t have to be exactly like Earth, but it does need a few key ingredients. First, it ...

How big would a telescope need to be to see Earth’s dinosaurs from 66 million light-years away? Think big—and then think ...

I could be the best pathologist on planet earth—the undisputed Sherlock Holmes of medical science, even—and I still wouldn’t have the slightest clue what the cause of death is for this particular ...

If life exists elsewhere in the universe, researchers at the University of Washington are finding the clues on Earth to help ...

Over the past decade, Don’t Nod has explored the soul-sucking worlds of 17th-century America, post-WWI London, dystopian ...

Legendary fighting game studio Arc System Works has announced Donutal, an "alien screening adventure" in which the characters ...

Sen. John Fetterman (D-PA) called on President Donald Trump to unclassify and release the government files on UFOs and aliens ...

If the world exploded, what proportion of the rocks floating in space would have evidence of life? (continued) ...

From steaming volcanic vents to glowing salt flats, these surreal California landscapes look so otherworldly they feel pulled straight from another planet.

Human intelligence wasn’t a cosmic evolutionary fluke, some scientists say. The case against cosmic loneliness is growing.