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

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

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 ...

On March 28, 1963 NASA launched the first stage booster of its new Saturn 1 rocket on a fourth and final test flight. [‘On This Day in Space’ Video Series on Space.com] This uncrewed suborbital flight ...

NASA's Artemis return-to-the-moon program is years behind schedule and billions of dollars over budget. Could a successful ...

For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined ...