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

The rocket’s death came via a seemingly pedestrian notice posted on a government procurement website: “NASA/MSFC intends to issue a sole source contract to acquire next-generation upper stages for use ...

A big restructuring of NASA's plans to land astronauts on the moon is adding missions and speeding up the timeline, but some ...

NASA is reportedly considering replacing the planned upper stage of its Space Launch System with hardware derived from United Launch Alliance’s Vulcan Centaur rocket, a change that could alter the ...

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

The move could save billions and keep America's lunar mission on schedule as it tries to keep up with China's growing space ambitions ...

Components for the powerful heavy-lift rocket have already arrived at the Southern California launch site. The Vulcan rocket is designed to replace ULA's Atlas V and retired Delta IV rockets for ...

An issue with the SLS rocket's helium system forced the agency to roll back the rocket to NASA's Vehicle Assembly Building ...

NASA plans to select United Launch Alliance ​to supply a critical component for future missions ‌of its moon rocket, Bloomberg News reported on Wednesday, citing people familiar with the matter.

NASA's Artemis II is on track to shoot for the moon in April after engineers fixed the helium issue that grounded the mission ...

After fixing a helium flow issue, the space agency is preparing to return its Space Launch System (SLS) rocket to the launch ...

When NASA Administrator Jared Isaacman announced the revamped approach to the Artemis moon program, it was unclear whether the new mobile launcher that has been constructed over the last two years at ...