NASA's Artemis Program Hits Major Snag: Rocket Engine Fails During Critical Test In a major setback for the ambitious Artemis program, NASA's Space Launch System (SLS) rocket engine has suffered a critical failure during a crucial test. The SLS is set to power the next-generation lunar mission, which aims to return humans to the Moon by 2025. The engine's failure raises significant concerns about the program's timeline and budget, as well as the safety of future missions. With billions of dollars invested in the Artemis program, NASA officials will need to quickly assess the situation and determine the best course of action to get the program back on track.