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

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 ...

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

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

The launch of a United Launch Alliance Vulcan rocket carrying the U.S. Space Force (USSF)-106 mission for the United States ...

A successful rocket launch this week could mean big things for two large defense companies that co-own the space company.

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

Depending on weather, trajectory and cloud cover, nighttime ULA Vulcan rocket launch from Cape Canaveral, Florida, may be ...

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

United Launch Alliance’s Vulcan Centaur orbital launch vehicle will undertake its first National Security Space Launch (NSSL) ...

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