Watch how the Space Launch System rocket RS-25 undergoes a core stage engine test-fire. Credit: NASA's Stennis Space Center ...

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

Last year delivered doses of drama and excitement in the space business, with a record number of launches, breathtaking ...

"It’s amazing to think that this thing I have been working on in various capacities for the last eight years is about to send ...

The rumble you will hear today, Monday, January 5 2026 is the sound of rocket engine hotfire testing. Hotfire testing — a ...

Residents as far away as the Tennessee line and down to Morgan County reported rattling windows and shaking doors due to the ...

Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

Flight 12 will try to extend that run of success while also breaking in the new "Version 3" of Starship. Among other modifications, this variant is a bit taller than its predecessors and will also be ...

SpaceX is racing to keep its lunar landing contract, as NASA considers alternatives amid Starship program delays.

Engine maker Rolls-Royce has begun testing the new AE 1107F turboshaft that will power the US Army’s developmental Bell MV-75 tiltrotor. Rolls-Royce says the new powerplant, which is derived from the ...

Russia and Kazakhstan have delayed the first launch under their joint Baiterek space project, pushing back the debut of the Russian Soyuz 5 rocket to allow for additional checks. The launch was ...