Reuters Science News Summary

The latest attempt to launch the 32-story-tall Space Launch System (SLS) rocket and its Orion capsule was scrubbed after repeated failed attempts by technicians to fix a leak of super-cooled liquid hydrogen propellant being pumped into the vehicle's core-stage fuel tanks.

Following is a summary of current science news briefs.

NASA to make second attempt at debut moon rocket launch on Saturday

NASA aims to make a second attempt to launch its giant next-generation moon rocket on Saturday, Sept. 3, five days after a pair of technical issues foiled an initial try at getting the spacecraft off the ground for the first time, agency officials said on Tuesday. But prospects for success on Saturday appeared clouded by weather reports predicting just a 40% chance of favorable conditions that day, while the U.S. space agency acknowledged some outstanding technical issues remain to be solved.

NASA calls off retry of Artemis moon rocket launch, citing fuel leak

For the second time in five days, NASA on Saturday halted a countdown in progress and postponed a planned attempt to launch the debut test flight of its giant, next-generation rocket, the first mission of the agency's moon-to-Mars Artemis program. The latest attempt to launch the 32-story-tall Space Launch System (SLS) rocket and its Orion capsule was scrubbed after repeated failed attempts by technicians to fix a leak of super-cooled liquid hydrogen propellant being pumped into the vehicle's core-stage fuel tanks.