rocket that powers the Artemis Moon exploration program. Artemis I, for instance, which took off back in 2022, did so thanks to a SLS powered by four RS-25 engines. All of them had already been ...

The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

Teams at NASA’s Stennis Space Center deliver, lift, and install the first new production RS-25 engine on the Fred Haise Test Stand on Feb. 18. Credit: NASA/Danny Nowlin NASA’s Stennis Space ...

SpaceX made multiple changes in the wake of a January Starship failure, only to suffer a second straight vehicle breakup ...

The first attempt to send an Australian-made rocket into orbit is set to take place no sooner than March 15, the Australian Broadcasting Corporation reports. Gilmour Space Technologies' launch window ...

The SLS rocket costs NASA $3 billion a year even when it doesn't launch, and more than that when it does. The Trump administration is looking to cut government spending, and SLS-builder Boeing ...

Boeing notified employees it is planning to issue layoff notices "to align with revisions to the Artemis program and cost expectations." Boeing is preparing to issue layoff notices to roughly 200 ...

NASA received the upper stage for the agency’s Artemis II Space Launch System rocket on March 9 at NASA’s Kennedy Space Center.

First published more than 125 years ago, the great author's quip about his rumored demise applies well to the situation today with NASA's Space Launch System (SLS), a 322-foot tall rocket designed ...