Ars Technica

NASA tested a new SLS booster that may never fly, and the end of it blew off

NASA’s Space Launch System appears to have a finite shelf life. The Trump administration wants to cancel it after just three launches, while the preliminary text of a bill making its way through ...
Ars Technica

NASA just swapped a 10-year-old Artemis II engine with one nearly twice its age

A couple of weeks ago, ground teams at NASA’s Kennedy Space Center in Florida removed one of the four main engines from the Space Launch System rocket slated to send four astronauts on a voyage around ...
SpaceNews

NASA, DARPA Will Test Nuclear Engine for Future Mars Missions

NASA and the Defense Advanced Research Projects Agency (DARPA) announced Tuesday a collaboration to demonstrate a nuclear thermal rocket engine in space, an enabling capability for NASA crewed ...
SpaceRef

NASA Inspector General Blames Rocket Engine Contract Mismanagement for Artemis Moon Program’s Problems

The NASA Space Launch System (SLS). Image credit: NASA. NASA’s Artemis Moon program is six years behind schedule and at least $6 billion over budget due to the space agency’s mismanagement of rocket ...
The Clarion-Ledger

NASA Stennis on the MS Gulf Coast nears completion of engine test series. See the progress

The final RS-25 engine test of the current Artemis series rocket engines that will be key to missions to the moon and beyond is set for Thursday, June 22, after a successful 500-second rocket engine ...
NextBigFuture

Air Force Research Lab, DARPA and NASA Rotating Detonating Engine Research

There have been published papers by the Air Force Research Lab and NASA on rotating detonation engines having 10% or more efficiency gains. A rotating detonation engine (RDE) uses a form of pressure ...