What was the mysterious white spiral flying in the night sky as stargazers looked up during the Perseid meteor shower peak ...

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

Vulcan launched the Space Force’s USSF-106 mission on Aug. 12 at 8:56 p.m. EDT from Cape Canaveral SFS, Florida, and spacecraft separation occurred approximately seven hours after liftoff, the service ...

ULA Vulcan Launch completes its first National Security Space Launch mission, taking the reins from the Delta IV Heavy for ...

Vulcan rocket lifted off from Cape Canaveral shortly before 9 p.m. on Tuesday for the U.S. Space Force USSF-106 mission in ...

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

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

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

ULA's Vulcan successfully launched last evening, the company said, marking the rocket's long-awaited first National Security Space Launch.

The swirl in the sky isn't a common sight, but it's happening more and more as companies like SpaceX launch more rockets into ...