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

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

What time is liftoff? ULA's Vulcan could be visible for most of Florida pending weather. Did your city make the rocket launch ...

United Launch Alliance was supposed to fly its first national security mission on its new Vulcan rocket three years ago. It ...