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

NASA fired up RS-25 engine No. 20001 at the Fred Haise Test Stand at NASA’s Stennis Space Center at Bay St. Louis, ...

NASA conducted a final test on one of its redesigned engines for future flights of the Space Launch System (SLS) rocket, the ...

NASA engineers manage propulsion systems and space communications to maintain Artemis II’s schedule, ensuring the Orion spacecraft and crew remain connected from launch to splashdown.

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

While the launch is scheduled at Kennedy Space Center, South Mississippi played a major role in the testing of Artemis II's ...

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 ...

Aerospace company Relativity is expanding its rocket component production and rocket engine testing operations at NASA’s Stennis Space Center in Hancock County. The project is a $59-million corporate ...

A NASA base in Mississippi is critical to supporting the Artemis II moon mission. How Stennis Space Center helps get rockets ...

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 ...