NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

The Space Launch System (SLS) rocket, specifically devised to advance the Artemis Moon exploration program, has been described from the start as the world's most powerful rocket. It already proved its ...

A pending contractor switchup marks another blow to Boeing, which is struggling to prove itself as a reliable strategic ...

NASA has canceled EUS and Block 1B/2 upgrades entirely, opting for a standardized upper stage to support ~10-month intervals ...