From Artemis IV onward, the new upper stage will be used instead of the existing interim cryogenic propulsion stage.

NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

NASA has moved to replace the long-planned Exploration Upper Stage for its Space Launch System rocket with United Launch Alliance’s Vulcan Centaur 5 upper stage, a shift that could reshape the Artemis ...

NASA's Artemis 2 moon mission is in trouble again after teams discovered a helium issue within the SLS rocket following successful wet dress rehearsal ...

NASA's Space Launch System rocket is about to depart the launch pad in Florida where it has been vertical for more than a ...

NASA has selected the Centaur upper stage currently used on United Launch Alliance’s Vulcan rocket for future flights of the ...

A pending contractor switchup marks another blow to Boeing, which is struggling to prove itself as a reliable strategic ...

NASA is adding another Artemis moon mission to its schedule even before Artemis 2 has a new date for launch. Here's the latest on the program.

NASA has canceled EUS and Block 1B/2 upgrades entirely, opting for a standardized upper stage to support ~10-month intervals ...

NASA has rolled back the Space Launch System (SLS) rocket and Orion spacecraft to the Vehicle Assembly Building (VAB) at Kennedy Space Center in Florida. The roll began around 9:45am local time on ...

SpaceX and Blue Origin hold Human Lander System (HLS) flight service contracts with NASA to ferry astronauts to and from ...

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 ...