(Update: Launch of Artemis II has been delayed to no earlier than April. NASA posted the morning of Feb. 21 that a helium leak was discovered on the rocket, prompting a rollback to the VAB and launch ...

It’s been about a week since NASA pulled the plug on the first wet dress rehearsal of the Artemis II mission, and the first results of the work that has been conducted on the Space Launch System (SLS) ...

NASA will have another go at a critical rocket fueling test as the agency attempts to get its highly anticipated human moon mission known as Artemis 2 back on track. The mission, the first to send ...

An unannounced test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to soon launch astronauts on a mission around the moon. Ground crews at the Kennedy ...

At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration ...