United Launch Alliance was hoping to ramp up its new Vulcan rocket launches this year, but won’t be launching any national ...

Vulcan is central to ULA’s effort to replace its Atlas 5 rocket and compete more directly for national security launches. With Vulcan missions on hold, the Space Force is now reliant solely on SpaceX ...

The U.S. Space Force is putting an indefinite halt on all national security missions aboard United Launch Alliance's Vulcan Centaur, following a repeat anomaly with the rocket's side boosters.

Once Nasa's Artemis II Space Launch System (SLS) rocket and Orion spacecraft arrived at the Vehicle Assembly Building, technicians immediately began investigating why the flow of helium to the ...

NASA began repairs on Artemis II at Kennedy Space Center to resolve helium flow issues in the SLS upper stage while preparing the rocket for April launch opportunities.

American space agency NASA said the Space Launch System (SLS) rocket and the Orion spacecraft of Artemis II are now back in the Vehicle Assembly Building (VAB).

The Space Force has suspended launches of the United Launch Alliance's (ULA) Vulcan Centaur rocket under the National ...

NASA Administrator Jared Isaacman announced significant changes to the agency's Artemis program, which aims to land on the ...

Can NASA and Elon Musk get us to Mars and beyond?

The earliest the rocket will launch is April 1.

American space agency NASA said in may have identified the culprits for the helium problem the Artemis II SLS experienced on the launch pad.