(390 million mi) from Earth, underneath the cold seas of Europa, a horrifying, and vastly intelligent creature lurks. Can our ...

The research is mounting up that we might not be alone in this big wide world. So what's the likelihood that aliens are out ...

If life exists beyond Earth, water may be the first clue. Water Worlds explores the planets and moons where liquid water could exist — and where alien life might be quietly thriving.

One of Britain’s most prominent space scientists believes humanity may finally get an answer to one of its oldest questions ...

"Star Trek" is home to countless alien species, many of whom offer beloved characters. Some are not. We rank the 10 most ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Decades ago, a spacecraft suggested Saturn's largest moon, Titan, had an ocean. New observations suggest that the liquid may look more like slush.

Uri Geller alleges NASA is hiding alien remains tied to interstellar comet 3I/ATLAS, sparking debate amid scientific evidence that the object is a natural comet.

The new standard port for North American EVs means easier connecting to Superchargers, as well as public charging that's more ...

Humanity has sent into space everything from lightsabers and Tesla Roadsters to golden records and entire digital genetic ...

Follow live updates from NBC News as Russian President Vladimir Putin speaks at his annual year-end news conference on ...

The actor, who has portrayed Will Byers on "Stranger Things" since he was 11, spoke about the series finale, the parallel ...