A well-worn expression among oceanographers and others who explore the watery depths of planet Earth is that we humans “know the surface of Mars better than our ocean floors.” Covering more than 70 ...

Could humans spread Earth life beyond our planet? Astrobiologists explain where extremophiles might survive and why the risks ...

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...

A look at 10 of the greatest alien sci-fi movies, from Ridley Scott's Alien to Denis Villeneuve's Arrival, none by Steven ...

Scott Solomon is an evolutionary biologist. We spoke to him about what our descendants in future settlements on the Red ...

These wildly different films explore the wondrous, and sometimes terrifying possibilities of contacting extra-terrestrial life.

Plus, Chris Elliott to hunt Bigfoot alongside stars of Resident Alien and The Doom Generation in "creature-filled adventure comedy." ...

Discover the astonishing microscopic life thriving beneath Antarctica's icy exterior. A new PBS series reveals the groundbreaking research that could transform our understanding of ecosystems and ...

With 'Disclosure Day,' the director returns to a longtime preoccupation. Two Times staffers explore his ongoing fascination with extraterrestrials.

Is alien life really out there? For decades, humanity has looked at the night sky and asked the same question. Now, according ...

Steven Spielberg looks to skies for redemption in this spiritual sequel to Close Encounters of the Third Kind.v ...

Photos of amazing, almost unreal places Who needs fantasy? Earth is full of “alien planets” and surreal beauty beyond ...