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 ...

When Artemis II blasts off for its lunar flyby, its powerful SLS rocket will include some "heritage hardware." The core engines are mostly recycled space shuttle engines, along with some reused ...

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 ...

Three of the four RS-25 engines powering the Artemis II mission previously flew on NASA’s Space Shuttle fleet. The engines are cooled by liquid hydrogen to prevent the nozzle from melting from the ...