The program is intended to provide global dividends across the science, economic and global leadership spectrums, NASA says.

NASA on Aug. 28 was on schedule to begin fueling the SLS rocket for its inaugural flight test, targeted for liftoff at 8:33 a.m. EDT Aug. 29.

CAPE CANAVERAL -- The two-day countdown to launch of NASA’s first Space Launch System (SLS) rocket began as scheduled on Aug. 27, with no technical…

After more than 30 countdown simulations, two core-stage Green Run static engine firings and four launchpad wet dress rehearsals, countdown clocks at Kennedy Space Center were scheduled to start ticking down on Aug. 27 for the long-awaited launch of the first Space Launch System rocket.

NASA and its large and diverse contractor team are eager for the success of the Artemis I test flight, seeing the uncrewed mission as an opportunity to learn from a lengthy and challenging development effort in order to continue advancing the technology and cutting costs.

Aviation Week & Space Technology's initial coverage of the December 1972 mission.

NASA on Aug. 25 was on track to begin the two-day launch countdown for its first Space Launch System rocket, leading to a launch attempt at 8:33 a.m. EDT on Aug. 29 from Kennedy Space Center.

Fifty years after Apollo, NASA is preparing for a permanent presence around the Moon.