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

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

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

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.

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 ...

CAPE CANAVERAL, Fla. -- NASA ran into exasperating fuel leaks during a make-or-break test of its new moon rocket Monday, calling into question how soon astronauts could take off for a trip around the ...

On 1963 NASA launched the first stage booster of its new Saturn 1 rocket on a fourth and final test flight. [‘On This Day in ...