An unannounced test of NASA's towering Space Launch System rocket uncovered another issue with the vehicle meant to soon launch astronauts on a mission around the moon. Ground crews at the Kennedy ...

NASA has rolled the Artemis 2 Space Launch System rocket back to Launch Complex-39B. SLS spend nearly a month inside the ...

NASA's second multi-day test to simulate a launch day is underway in Florida in a critical demonstration of whether the agency's massive moon rocket is prepared to send astronauts on a lunar mission.

NASA fueled up its giant lunar rocket and completed a launch-day walkthrough on Thursday ahead of its highly anticipated mission to send four astronauts around the moon. The hourslong test, known as a ...