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

NASA prepares Artemis II, the first crewed flight of SLS, to orbit the Moon and test Orion spacecraft systems.

NASA Artemis II launch live updates: NASA has officially begun the final countdown for the Artemis II mission, with liftoff ...

CAPE CANAVERAL, Fla. -- NASA said Tuesday it will now target a March launch of its new moon rocket after running into exasperating fuel leaks during a make-or-break test a day earlier. The space ...

It's launch day! Four astronauts are set to liftoff on the Artemis II mission from Kennedy Space Center for a 10-day test ...

CAPE CANAVERAL, Fla. (AP) — NASA took another crack at fueling its giant moon rocket Thursday after leaks halted the initial dress rehearsal and delayed the first lunar trip by astronauts in more than ...

NASA announces nuclear rocket demo. NASA’s announcement Tuesday that it will “pause” work on a lunar space station and focus ...