SpaceX and the European Space Agency will launch a mission on Monday to an asteroid's moon. NASA tried to knock off its path ...

United Launch Alliance's Vulcan rocket experienced unexpected sparks during its certification flight, raising questions about its performance.

United Launch Alliance's Vulcan rocket, under contract for dozens of flights for the US military and Amazon's Kuiper ...

United Launch Alliance’s second Vulcan Centaur lifted off Oct. 4 on a test flight needed to certify the vehicle for carrying national security payloads, but may have suffered a problem with one of ...

United Launch Alliance (ULA) successfully launched its second Vulcan Centaur rocket, marking a key step toward certifying the ...

United Launch Alliance's new Vulcan rocket blasted off to space on Friday, a critical test of the Boeing and Lockheed Martin ...

ULA's heavy-lift rocket needs to prove that it's got what it takes to launch military payloads to orbit. After today's not-so ...

United Launch Alliance has confirmed that its second Vulcan Centaur rocket launch was a success. The heavy-lift vehicle ...

United Launch Alliance (ULA) launched the second Vulcan rocket on Friday morning. While ULA reported the launch was successful, it also reported an ...

Despite an apparent problem with one of two strap-on boosters, the Vulcan reached orbit and otherwise performed as expected.

Vulcan VC2S rocket launched for the second certification (Cert-2) mission from Space Launch Complex-41 at Cape Canaveral ...

A potential glitch with one of Vulcan Centaur's solid rocket boosters emerged during United Launch Alliance (ULA) latest test ...