For more than a century, the idea that life might have arrived on our planet from elsewhere in the cosmos sat at the fringes ...

Trump threatens up to tariffs on European allies over Greenland military moves amid U.S. ownership push. Read more here.

At 4:56 a.m. EST (0956 GMT) on Feb. 17, the moon will begin to turn the sun into an impressive "ring of fire" during an ...

A Mars spacecraft has now been AWOL for more than a month. But NASA hasn't given up hope of restoring contact with the MAVEN ...

Astronomers have stumbled upon a mysterious “iron bar” that could offer insight into how Earth may meet its end. The strip of ...

Starfleet Academy's second episode explores the aftermath of the Burn in the Star Trek universe, highlighting one particular ...

SpaceX guided the capsule to a middle-of-the-night splashdown in the Pacific near San Diego, less than 11 hours after the ...

Two American astronauts and others from Japan and Russia landed in the Pacific Ocean after an early journey home from the ...

The U.S., once Denmark’s closest ally, is threatening to steal Greenland and attacking the country’s wind-power industry. Is ...