In response to a query from Ars about the engine test anomalies, Rocket Lab Chief Executive Officer Pete Beck downplayed ...

Artemis 2's Space Launch System rocket core stage was fitted with 4 RS-25 engines at NASA’s Michoud Assembly Facility in New ...

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

NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.

NASA is getting ready to launch its massive, fully expendable rocket for the first crewed flight to the Moon since Apollo. The agency’s new era of spaceflight comes with a few parts from its past, ...

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

NASA's Artemis II wet dress rehearsal was halted due to a fuel line leak during preparations for a historic human flight ...

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 ...

If you’ve been even casually following NASA’s return to the Moon, you’re likely aware of the recent Wet Dress Rehearsal (WDR) ...

NASA has been forced to delay a critical fueling test for its Artemis 2 moon rocket due to unusually cold weather forecasted ...

United Launch Alliance plans to fly its Vulcan rocket for the 4th time early Feb. 12. Here's what to know about the rocket, liftoff time, and mission.

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