China has changed the launch date and target for a mission that will attempt to demonstrate the ability to deflect the orbit ...

WASHINGTON — The United States should harden its low Earth orbit satellites that support nuclear command and control against radiation effects from potential high-altitude nuclear detonations, ...

NASA's CAPSTONE spacecraft is testing software for autonomous operations in cislunar orbit to pave the way for Gateway.

A NASA smallsat mission to Mars remains on track to launch this fall, although without a specific launch date yet.

Three months after unveiling a new space sustainability strategy, NASA’s deputy administrator says the agency is making good ...

WASHINGTON — The U.S. military is poised to award an estimated $3 billion multi-year contract for commercial data and ...

SpaceX says it will not be able to recover the 20 Starlink satellites left in a very low orbit after a malfunction of a ...

HELSINKI — The upper stage of China’s Long March 6A rocket appears to be creating numerous pieces of space debris, adding to ...

NASA and Boeing say it may be the end of July before they’re ready to return the CST-100 Starliner spacecraft from the ISS as ...

The engine on the upper stage of a SpaceX Falcon 9 malfunctioned during a launch July 11, causing the potential loss of a ...

Ariane 6 performs flawlessly on long-awaited first flight Europe’s Ariane 6 rocket launched for the first time Tuesday, ...

A Japanese conglomerate has established a new subsidiary seeking to develop a module that could be installed on future ...