Supersonic test aircraft aimed to reach 260 mph at altitude of 20,000 feet.

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

NASA's experimental supersonic X-59 jet designed to travel faster than the speed of sound is preparing for its second flight ...

NASA's X-59 experimental aircraft is preparing for its second flight, a step that will set the pace for more flight testing in 2026. Over the coming months, NASA will take the quiet supersonic jet ...

Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

NASA’s X-59 returned early from its second test flight after a return-to-base call as the pilot and aircraft landed safely at Edwards Air Force base in California.

There has been only one mission of the Artemis program to date, an uncrewed test flight of the Orion spacecraft that was conducted back in 2022. Judging this solely from this perspective, you could be ...

As the first flight of NASA’s experimental X-59 aircraft draws near, the agency seems not to waste any chance when it comes to testing the plane’s systems. Why, from time to time it even goes off ...

SpaceX chief Elon Musk said in February that the mighty Starship rocket would embark on its 12th test flight this month, although several more recent reports have suggested that it might not leave the ...

HANCOCK COUNTY, Miss. (WLOX) - NASA and L3Harris Technologies successfully conducted a full-duration hot fire test of a second RS-25 engine at Stennis Space Center in Hancock County. The engine will ...

For almost 60 years, NASA's Stennis Space Center has tested rocket systems and engines to help power the nation's human space exploration dreams. Completion of a critical water system infrastructure ...