SpaceX, United Launch Alliance rockets have sent secret X-37B mini shuttle to orbit many times. Photos show what it looks ...

In the near term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The ...

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.

The first two Vulcan test flights last year used a configuration of the rocket with two strap-on boosters to add an extra ...

A United Launch Alliance Vulcan rocket is gearing up to carry a classified national security payload into space Tuesday night ...

United Launch Alliance's Vulcan Centaur lifted off for the third time ever in an experimental launch to put navigation ...

The Vulcan, the United Launch Alliance's newer rocket, got off the ground from Florida on its first national security mission for US Space Force.

Theories suggest the display came from either the European Space Agency's Ariane 6 rocket or the United Launch Alliance's ...

United Launch Alliance’s countdown is on for the U.S. Space Force’s Space Systems Command mission using a primarily ...

United Launch Alliance (ULA) today named its new rocket “Vulcan,” and Vulcan Inc. — the investment arm of Microsoft co-founder Paul Allen — doesn’t appear to… ...

A United Launch Alliance (ULA) Atlas V rocket carrying the OSIRIS-REx spacecraft for NASA lifted off from Space Launch Complex-41 Sept. 8 at 7:05 p.m. EDT.

United Launch Alliance CEO Tory Bruno is transforming his organization to win in an increasingly competitive launch sector as the business mix shifts more toward civil and commercial missions.