Radio silence has long puzzled those searching for extraterrestrial intelligence, but the answer might lie much closer to the source of potential signals than previously thought. Conditions around ...

Boldly going where starship captains, astronauts, space cowboys, clones, and wise-cracking robots have gone before.

Ryan Gosling plays a science teacher who goes to space to save mankind and befriends an alien in the sci-fi adventure "Project Hail Mary." ...

A spacecraft could plunge into Earth’s atmosphere as soon as Tuesday. While most of the probe will likely burn up during reentry, a few components are expected to survive.

Phil Lord and Christopher Miller's lone-astronaut saga wants to be "Interstellar" meets "E.T.," but it's too long and too cutely formulaic.

This reentry is notable because it poses a higher risk to the public than the US government typically allows. The risk of harm coming to anyone on Earth is still low, approximately 1 in 4,200, but it ...

The science is accessible and Ryan Gosling is a superb Everyman in the excellent space adventure "Project Hail Mary," based on Andy Weir's novel.

Russia and China can black out military satellites in seconds. A Latvian startup says nuclear-waste generators using 5x less fuel could keep satellites—and lunar bases—running.

The new funds will go toward the development and production of Delphi, Lux Aeterna's prototype reusable satellite platform. The vehicle, which is about 3.6 feet (1.1 meters) wide and weighs 440 pounds ...

A review of 'Project Hail Mary' with Ryan Gosling back on a mission to space, but this time alone and on a mission to save ...