Why SpaceX, Rocket Lab, Arianespace made Fast Company's list of the most innovative companies doing work in space.

FILE - This May 18, 1969 photo provided by NASA shows Earth from 36,000 nautical miles away as photographed from the Apollo 10 spacecraft ... of the Perseverance rover, background left.

The documentary tells the story of Gus Grissom, Ed White and Roger Chaffee, who died after a fire erupted in their spacecraft on the launch pad.

About five years ago, the Trump-appointed administrator of NASA, Jim Bridenstine, revealed the name of the program that would return humans to the Moon. It was to be Artemis, from a Greek goddess who ...

A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA ...

New research from scientists with the Chinese Academy of Geological Sciences and published in the journal Science found that sample analysis backs up an established model of the moon as a global ...

Unlike Apollo—which used a single spacecraft comprising a mothership and lunar lander—Artemis III will see Orion dock with ...

Astronomy contributor and lunar expert Robert Reeves looks back on a Texas-sized achievement in Moon exploration.

The nuclear heat source for the Mars Curiosity rover is encased in a graphite shell. The fuel glows red hot because of the radioactive decay of plutonium-238. Idaho National Laboratory ...