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

Sky watchers across North America are anxiously anticipating what could be the most intense display of aurora borealis in ...

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

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

ULA’s been in a hurry to fly Vulcan as the company is under contract to launch more than two dozen Space Force missions with ...

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

A SpaceX Falcon Heavy rocket will launch NASA's highly anticipated Europa Clipper astrobiology mission on Oct. 10, and you ...

United Launch Alliance's Vulcan rocket completed its second successful flight on Friday, an important step for future use.

Fresh on the heels of a massive funding round, Impulse Space has landed a $34.5 million contract from the Space Force for two ...

Elon Musk said late on Thursday (Oct 4) he will attend Donald Trump's rally in Butler, Pennsylvania later this week, an event ...

Vulcan, developed to replace ULA's workhorse Atlas V rocket and rival the reusable Falcon 9 from Elon Musk's SpaceX, took off ...

A shower of sparks was seen flying from near the Vulcan's engines about 38 seconds after Friday's liftoff from Cape Canaveral ...