The SLS core booster will help launch NASA's Artemis 1 mission to the moon. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. NASA fired up the ...

NASA's rocket charged with taking the agency back to the moon fired its four main engines Saturday afternoon, but the test in Mississippi was cut short after a malfunction caused an automatic abort.

Blade-failure tests have been carried out on the Aviadvigatel PD-8 engine for Russia's import-substituted Yakovlev SJ-100.

SpaceX is a big step closer to sending its giant Starship spacecraft into orbit, completing an engine-firing test at the launch pad on Thursday. Thirty-one of the 33 first-stage booster engines ...