Artemis
NASA Cancels Exploration Upper Stage, Ending SLS Block 1B as Artemis Program Pivots to Commercial Alternatives
Boeing's troubled EUS development ballooned to $2.8 billion before cancellation, forcing NASA to standardize on Block 1 and pursue ULA's Centaur V for future missions.
NASA Shifts Artemis to Annual Launches as SLS Cost Crisis Deepens
The agency will target 10-month launch intervals while pushing the first lunar landing to 2028, escalating scrutiny of the $4 billion-per-launch rocket.
SpaceX Hits 33-Flight Booster Record as Vulcan Faces National Security Launch Pause
The U.S. Space Force halted Vulcan Centaur missions after recurring solid rocket booster anomalies, while SpaceX extends its reusability lead and Blue Origin struggles with lunar lander development delays.
NASA Pivots Artemis Timeline to 2028 as China Lunar Ambitions Escalate Space Race
Administrator Isaacman announces two potential crewed landings in 2028, accelerating timelines amid strategic pressure from Beijing's 2030 target.