Sorry, "Predator", but four decades later, this is still the sub-genre's high watermark ...

Researchers found this material on the meteorite, which entered Earth's atmosphere moving faster than the speed of sound.

It's one of the atmosphere’s rarest and most breathtaking phenomena, one that's hard to capture on camera or video.

A mysterious glowing object streaked across Xinjiang’s night sky on Tuesday, sparking online speculation about a “UFO.” But ...

A glowing object streaking across the night sky over Northwest China's Xinjiang Uygur Autonomous Region on Tuesday night left ...

Decades before blockbuster CGI aliens, artist Wayne Barlowe designed an entire ecosystem for his book "Expedition" — later ...

NBC News' Gadi Schwartz interviews Jack Hathaway and Anil Menon, two astronauts that are on the U.S. mission to the ...

What starts as a single blurry photo turns into a full expedition across one of speculative biology's most carefully ...

Russia launched two cosmonauts and a U.S. astronaut to the ISS from Baikonur, resuming crewed flights from a recently ...

Liftoff is scheduled for 10:47 a.m. ET.

The Soyuz spacecraft will carry Nasa astronaut Anil Menon and cosmonauts Pyotr Dubrov and Anna Kikina to the ISS for an eight ...

The space between stars just got a little sweeter. Astronomers have detected a type of sugar in space that’s also found in ...