Aerojet Rocketdyne plans to demonstrate fabrication of large-scale metal rocket-engine parts using laser-melting additive manufacturing (AM) under a cost-shared Technology Investment Agreement with Wright-Patterson AFB under Title III of the Defense Production Act, worth $11,750,886.

The European Union is preparing to launch its first fully operational Galileo navigation, positioning and timing satellites Aug. 22, putting the 28-nation body in line to compete with the U.S. GPS, Russian Glonass and Chinese Beidou systems, even as it finalizes details of Galileo’s use.

Astronaut Steve Nagel has died after a battle with cancer. We'll never forget his 1991 space shuttle landing. It was bad but could have been worse.

Commercial Crew bidders hint at future directions as NASA selection looms

Look for it later, or now?

Tight government budgets and commercial potential drive tiny spacecraft to powerful capabilities

Core stage preparations continue as momentum builds for test and assembly of first SLS

More than 10 years and 6 billion km have ticked by since Europe’s Rosetta mission launched atop an Ariane 5 rocket in 2004.