NASA's Artemis Mission Hits Major Roadblock: Engine Failure Threatens Moon Landing Timeline NASA's ambitious Artemis mission, aimed at returning humans to the lunar surface by 2025, has hit a significant setback. According to reports, a critical engine failure during a recent test has raised concerns about the mission's timeline and budget. The Space Launch System (SLS) rocket, which is set to carry the first woman and the next man to the Moon, was undergoing a crucial ground test when the issue was discovered. The engine failure has sparked an investigation into the cause, and its implications for the Artemis mission are still unclear.