Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. ULA's second Vulcan Centaur ...

Add Yahoo as a preferred source to see more of our stories on Google. When you buy through links on our articles, Future and its syndication partners may earn a commission. United Launch Alliance's ...

United Launch Alliance's Vulcan rocket is preparing for its fourth launch and second national security mission. The upcoming mission will carry the rocket's heaviest payload to date on its ...

United Launch Alliance is bringing back the upper stage of the Vulcan rocket, the Centaur V, back to the factory to focus on more work and improve what the spacecraft can offer. This was because of an ...

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 ...

A hydrogen leak during qualification testing of a United Launch Alliance (ULA) Vulcan rocket upper stage was not due to a problem with the test stand, raising the prospect of a potential Centaur V ...

While a static-fire test of Vulcan's booster June 7 was a success, the rocket's first launch will be delayed to make "minor reinforcements" to the Centaur upper stage. Credit: ULA WASHINGTON — The ...