The Artemis moon rocket is returning to the hangar after an issue with a helium system. The Associated Press reported that the rocket’s helium pressurization system malfunctioned over the weekend. The rocket already had leaks of its hydrogen fuel, which delayed its planned launch for about a month.

Viewed from orbit, Jackass Flats — situated in southern Nevada about 65 miles northwest of Las Vegas — could easily be confused for Mars. The alluvial basin is full of tan and gray regolith, hued slightly red, and almost completely surrounded by carved ...

NASA’s Glenn Research Center developed a new flywheel-based mechanical battery system that redefined energy storage and spacecraft orientation. This innovative approach demonstrated the potential of flywheels as a sustainable and efficient alternative to ...