To an untrained eye, the aircraft engine sitting outside of a Cincinnati facility in December might have looked like standard ...

Initial ground trials of a hybrid-electric engine demonstrator support NASA's Hybrid Thermally Efficient Core (HyTEC) project.

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo.

On Monday, after rolling the SLS rocket to be used for the Artemis II mission to the pad in January, NASA attempted its first ...

GE Aerospace announced on January 26 that it reached a key milestone in hybrid-electric ...

Plasma engines could be the future of human space travel, and Russia’s “manetoplasma rockets” have the most ambitious travel goals ...

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi. The test lasted about "eight-and-a-half minutes (500 seconds), the same ...

NASA's Reactive Additive Manufacturing for the Fourth Industrial Revolution (RAMFIRE) project test-fired a 3D-printed engine nozzle at Marshall Space Flight Center in Alabama. See the test in ...

NASA awards studies to SpaceWorks and Stratolaunch aimed at making hypersonic flight testing more affordable and repeatable.

NASA's Crew-11 is returning to Earth early due to a medical issue with an unidentified astronaut. This will be the first medical evacuation in the 25-year history of the International Space Station.

A spacewalk planned for Thursday outside the International Space Station was called off late Wednesday because of a "medical concern" with an unidentified crew member, NASA said in a statement. An ...

Add Yahoo as a preferred source to see more of our stories on Google. NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, Mississippi.