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

SpaceX has reached a pivotal moment in its quest to launch the most powerful rocket in history. After successfully firing up ...

SpaceX fired six Raptor engines on the company’s next Starship rocket Monday, clearing a major hurdle on the path to launch later this month on a high-stakes test flight to get the private rocket ...

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.

Two Chakram engine prototypes accumulated more than 470 seconds of total run time.

Blue Origin has test fired its New Glenn rocket engine as it makes final preparations for the launch of NASA’s ESCAPADE mission involving twin Mars orbiters. The static test fire of the heavy-lift ...

Astrobotic’s Chakram engine survived a five-minute detonation burn that could reshape future rocket propulsion.

Astrobotic’s "Chakram" engine just smashed a 300-second record. See how spinning shock waves could revolutionize NASA's Moon ...