An upgraded version of one of the solid rocket boosters being used for NASA's Space Launch System (SLS) experienced an ...

NASA’s latest hot-fire of RS-25 engine No. 20001 roared for the full 500-second launch profile, proving it can blast the ...

The Artemis I launch has been scrubbed after the team was unable to work through an issue on one of the rocket’s four engines.

For Artemis, NASA will be drawing from a diverse astronaut pool currently numbering 42, and it is extending the time crews will spend on the moon to at least a week.

Artemis I mega rocket’s launch has been postponed after the launch team discovered an issue with an engine bleed in one of the rocket’s four engines. Follow here for live updates.

Artemis I launch scrubbed as engine problem defies fast fix. Updated. August 29, 2022 at 10:41 a.m. EDT | Published August 29, 2022 at 6:31 a.m. EDT.

Beyond Artemis II, Aerojet Rocketdyne continues to prepare the final eight Shuttle-era RS-25 engines for their use on the Artemis III and IV missions before the new-build RS-25s debut on Artemis V.

The anticipation for NASA’s launch of the Artemis I mission to the moon will continue to grow as a series of obstacles caused the launch’s postponement Monday. The launch was set to occur ...