Until the U.S. government has data or samples of alien material that can be shared, the story of extraterrestrial visitors is ...

In a world easily startled by sensationalism, Tyson offers a cool, gentle voice of reason amid the unchecked fascination with ...

Scientists say amino acids produced by life are distributed differently and more diversely than amino acids produced by ...

Neil deGrasse Tyson has had a lifelong fantasy of being abducted by aliens. That’s right, he actually wants to be taken.

Curiosity, which is exploring Gale Crater, conducted a chemistry experiment on a rock sample that revealed complex carbon ...

Astrophysicist and science communicator Neil deGrasse Tyson spills on his obsession with aliens and the best and worst ...

Barack Obama's insisting the USA doesn't have little green men or alien spaceships locked up in an underground bunker ...

Colbert then asked if Obama wished aliens were real, which led the former president to make a job pitch to Colbert. Obama ...

A NASA planet-hunting mission has unveiled its most detailed map of the sky yet, revealing thousands of potential alien ...

Dive into a visually stunning exploration of the search for intelligent life among the billions of stars in our universe.

The witness account describes "three and a half to 4 feet tall" aliens wearing "space suits and helmets" ...