The Space Launch System rocket's RS-25 engine was fired up for the “final round of certification testing ahead of production ...

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

Four fifths of the SLS core stage will travel on the Peagus barge from NASA's Michoud Assembly Facility in New Orleans to the ...

NASA's Artemis II mission will send four astronauts around the moon. Here's how the SLS rocket and Orion spacecraft will work ...

NASA's towering Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a month in anticipation of the first U.S. human lunar mission in ...

NASA's Space Launch System rocket developed for the agency's Artemis lunar program is among the tallest in the world. Here's how it stack up.

Add Yahoo as a preferred source to see more of our stories on Google. NASA's historic Artemis 2 moon mission is in trouble yet again. Artemis 2 – the first human spaceflight under NASA's ...