United Launch Alliance (ULA) completed the second successful launch of its Vulcan rocket Friday morning, a key step in the future use of the rocket for national security missions. The 202-foot ...

United Launch Alliance, one of the Pentagon’s top satellite launch providers, launched a second flight of its new Vulcan rocket — a significant step toward certifying the vehicle to fly ...

Elon Musk's SpaceX, United Launch Alliance and Jeff Bezos' Blue Origin on Friday won U.S. Space Force rocket launch contracts worth a combined $13.5 billion through 2029 to send some of the ...