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 has made a pivotal decision to upgrade its Artemis program by selecting a new upper stage for its Space Launch System (SLS) rocket. In a move that is sure to impact the future of human space ...

In his 1961 novel The Winter of Our Discontent, John Steinbeck wrote of loss, “It’s so much darker when a light goes out than ...

At the core of Isaacman’s concerns is the low flight rate of the SLS rocket and Artemis missions. During past exploration ...

Vulcan rocket hardware drafted in amid Artemis reshuffle but still no word on lander NASA has selected United Launch Alliance's Centaur V upper stage for the Artemis missions that aim to return ...

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

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