The Space Launch System (SLS) rocket, specifically devised to advance the Artemis Moon exploration program, has been described from the start as the world's most powerful rocket. It already proved its ...

While NASA is developing a cargo version of the SLS that could be used for science missions, the limited supply chain and requirements of the Artemis program will limit its use to missions launching ...

The Exploration upper Stage will increase the payload performance of the Space Launch System for missions to the moon by more than 10 tons. Credit: Boeing WASHINGTON — An upgraded upper stage for the ...

NASA’s Space Launch System, the other Saturn V-class heavy lift vehicle launched this decade, is being prepared for its second flight and its first crew-carrying flight, even as issues with the Orion ...

The first of four RS-25 engines that will power NASA’s Artemis III mission has arrived inside the Vehicle Assembly Building at Kennedy Space Center in Florida, the agency announced Thursday.