NASA's RS-25 Artemis rocket engines closer to certification after penultimate test

NASA has been conducting a series of hot fire tests to certify RS-25 engines for use on the Space Launch System rockets that ...
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NASA Works Toward Artemis IV Mission With Stennis Hot Fire

RS-25 hot fire on Jan. 22. Credit: NASA HOUSTON—An RS-25 engine has passed a follow-up hot fire test, clearing it for installation on the NASA Artemis IV mission’s Space Launch System (SLS). The RS-25 ...

Goodbye to conventional rocket engines: Chakram uses supersonic detonation waves and just survived a 300-second hot-fire test

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