CAPE CANAVERAL -- NASA managers on Sept. 3 cleared the Kennedy Space Center launch team to proceed with fueling the two-stage Space Launch System …

NASA is confident an engine-cooling process is working as designed so is pressing ahead with the second attempt on Sept. 3.

NASA pressed Sept. 1 to resolve the propellant loading issues that triggered the Aug. 29 scrub of the much-anticipated liftoff of the Artemis I mission.

The weather forecast for a launch attempt on Sept. 3 is not ideal, with just a 40% chance conditions will be suitable for liftoff due to cloud cover and the chance of rain and lightning.

NASA had planned to launch the SLS, carrying an uncrewed Orion spacecraft, during a 2-hr. window that opened at 8:33 a.m. EDT. The next launch opportunity is at 12:48 p.m. EDT on Sept. 2.

CAPE CANAVERAL — The countdown for NASA’s first Space Launch System (SLS) rocket went into an unplanned hold at the T-minus-40 min. mark to allow the…

The Kennedy Space Center launch team was assessing a potential hydrogen leak in the tail service mast umbilical, located at the base of the Space Launch System (SLS) core stage. 

The launch weather outlook was 80% favorable as NASA began the nearly 4 hr. process of loading the SLS core stage with 196,000 gallons of liquid oxygen and 537,000 gal. of liquid hydrogen.