NASA researchers are preparing to intentionally start fires on the Moon after studies suggested some materials may burn ...

NASA is overhauling its plan to return astronauts to the lunar surface, adding another test flight to prepare for landing on the Moon while attempting to standardize its Space Launch System (SLS) ...

Engineers love a good practical challenge, especially when it comes to spaceflight. But there's one particular challenge facing the crewed missions of the near future that scares mission planners ...

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 ...

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.