This documentary argues that alien life may be common, but contact could still be almost impossible because the universe ...

Somewhere out there, a planet roughly the size of Earth may be orbiting a distant star in conditions that could support life.

The United States government’s recent release of hundreds of previously classified Unidentified Anomalous Phenomena (UAPs) ...

Moon dust may be hiding signs of pulverised alien technology, scientist says - Grain-sized remnants of alien technology may ...

As for those salt clouds, the salt is not table salt or even Pink Himalayan Rock Salt, though that would go splendidly with ...

Steven Spielberg's claims of alien visits to Earth spark debate among scientists, who stress the lack of credible evidence ...

Add Yahoo as a preferred source to see more of our stories on Google. Nov. 2, 2015 - CBS Television Studios announced today ...

The long-running series in which readers answer other readers’ questions comes up with an epic extraterrestrial playlist for Earth’s first contact from beyond the stars ...

Professor Carol Oliver suggests that time dilation, a cosmic phenomenon, may deter aliens from visiting Earth, as ...

The trip had all the makings of a boring car ride—until the couple saw mysterious lights approaching from the sky.