NASA's Artemis II mission will launch with SLS rocket engines that have flown multiple times on past space shuttle missions. Here's their story.

The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production of an updated set of the engines," according to NASA. The test occurred at ...

Add Yahoo as a preferred source to see more of our stories on Google. The Artemis II mission is set to launch four astronauts atop NASA’s SLS (Space Launch System) rocket later today – and while this ...

The Artemis II mission is set to launch four astronauts atop NASA’s SLS (Space Launch System) rocket later today – and while this specific rocket is only flying on its second mission, its core stage ...