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

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

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

NASA made major changes to its Artemis lunar architecture, adding a test flight of lunar landers in Earth orbit while ...

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 ...

Many people were very mean to NASA's SLS super-heavy booster when it saw back-to-back-to-back consecutive launch scrubs caused by everything from faulty engine temperature sensors to leaky hydrogen ...

With the Space Launch System (SLS) family heading towards the Preliminary Design Review (PDR) phase, engineers at two NASA centers have conducted wind tunnel testing on scales models of the Heavy Lift ...

The White House’s proposed budget for 2020 is out, and with it comes cuts to NASA. The most important item of note in the proposed budget is a delay of the Space Launch System, the SLS, a super-heavy ...