A NASA astronaut preparing for a grueling eight-month stint in orbit reveals a plan to test for extraterrestrial life.

With the release of Disclosure Day, Steven Spielberg’s new film about aliens, a question as old as science fiction itself ...

A nutrition scientist applies metabolism, biology and food science to one of science fiction's oldest questions.

True cinephiles will binge-watch some of Spielberg's greatest hits, most of which are sci-fi flicks.

Astronomer Jon Willis warns that alien signals could be passing Earth unnoticed because humans are searching on the wrong scales, with the wrong assumptions about life and intelligence.

Every second, hypervelocity collisions may be blasting tiny flecks of Earth into space. Some of those grains, small enough to ...

Discover the astonishing microscopic life thriving beneath Antarctica's icy exterior. A new PBS series reveals the ...

In the lab, they’ve displayed astonishing prowess for getting through obstacles, including overcoming strong natural ...

Willerslev and other researchers looked for traces of plague-causing bacteria in remains from four cemeteries near Siberia’s ...

In the 1982 blockbuster, E.T. the Extra-Terrestrial, E.T. is lured out of hiding using a trail of Reese's Pieces. But what ...

Daveigh Chase, who played the young Hawaiian girl who befriended the alien Stitch in Disney’s animated film “Lilo & Stitch” ...