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

The first human Mars explorers won’t have it easy. Every additional day in deep space will increase their exposure to deadly ...

Stoke Space successfully hotfired its first-stage rocket engine on a new vertical test stand at the company’s Moses Lake, ...

Astrobotic completed a successful series of hot-fire tests of its rotating detonation rocket engine prototype, marking a key milestone for the experimental propulsion technology.

A prototype ion engine that uses lithium vapor as a propellant has aced its first tests, achieving 25 times more power than ...

There has been only one mission of the Artemis program to date, an uncrewed test flight of the Orion spacecraft that was conducted back in 2022. Judging this solely from this perspective, you could be ...

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 ...

The sixth flight of SpaceX’s giant Starship rocket, set for takeoff on Tuesday from South Texas, will test the vehicle’s limits in new ways. Most importantly, SpaceX will attempt to briefly reignite ...

NASA Stennis Space Center, sitting in Hancock County, acts as the largest rocket propulsion test site in the United States.

The reusability of different parts of a space rocket has opened the doors to a literal flood of launches to Earth orbit and beyond. Thanks to the fact that space companies now no longer have to make a ...