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 ...

The Artemis II RS-25 engine, evolved from the Space Shuttle Main Engines. L3Harris has produced four RS-25 engines for the SLS core stage, with plans to manufacture additional engines for future ...

NASA’s Artemis II astronauts fired their engines and set course for a lunar flyby on Thursday, marking the first human ...

NASA's Artemis II astronauts have fired their engines and are blazing toward the moon, breaking free of the chains that have ...

Legacy Space Shuttle engines were modernized with new manufacturing methods, higher performance targets, and reliability ...

CAPE CANAVERAL, Fla. (AP) — NASA’s Artemis II astronauts fired their engines and blazed toward the moon Thursday night, breaking free of the chains that have trapped humanity in shallow laps around ...

NASA’s Artemis II SLS (Space Launch System) rocket lifted off from Launch Complex 39B in Florida at 6:35 p.m. EDT, marking ...

Four astronauts head to space for NASA’s first crewed moon mission since Apollo 17 in 1972—and you can catch the action in real time. NASA is going back to the moon, and you can watch the launch live.

NASA’s Apollo moonshots are a tough act to follow, even after all this time. As four astronauts get set to blast off on humanity’s first trip to the moon in more than half a century, comparisons ...