What are the Van Allen belts? Learn how these giant rings of charged particles cause problems for astronauts and satellites.

A team of scientists captured the sharpest-ever view of the sun's outer layer using a telescope in California. NBC News' Gadi ...

Middle school students in Salt Lake City are slipping on headsets and stepping into outer space— all without leaving the ...

In the vast expanse of space, an estimated one million Near Earth Objects (NEOs), also known as near-Earth asteroids, are ...

The outer space around the Earth is already pretty crowded ... 10 that we’re really worried about because we can’t see that stuff. I’m worried about astronauts. They’re exposed when they’re doing ...

Ever wonder why space launch vehicles are called rockets? Learn the origin of the term and how it came to define modern space ...

Described by Capture the Atlas as an "extraordinary milestone," the image One in a Billion, was captured by NASA astronaut ...

On Earth there is no record of Niallia tiangongensis, a bacterium found aboard the Tiangong station that appears to be well ...

The Indian Astronaut Shubhanshu Shukla will wear two specially made Omega Speedmaster watches during the mission, the X-33 ...

When astronauts Anne McClain and Nichole Ayers ... up in specialized suits and exposing oneself to the vacuum of outer space. McClain, 45, and Ayers, 36 are taking part in the May 1 spacewalk ...