ULA's Vulcan rocket is stacked for its third launch, and its first national security mission for the Space Force. The mission, USSF-106, involves a long-duration flight to geosynchronous orbit ...

Recap of the USSF-87 mission, which launched 4:22 a.m. Feb. 12 atop a ULA Vulcan rocket from Launch Complex 41 in Cape Canaveral. Original story: A rare occurrence in the skies above the Space Coast ...

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's powerful rocket.

The United Launch Alliance is planning for the Vulcan to become its workhorse rocket. It faces its biggest test yet in its next launch.

United Launch Alliance plans to launch Amazon's second Project Kuiper mission on Monday, June 23. The launch, carrying 27 satellites, is scheduled for 6:54 a.m. from Cape Canaveral Space Force Station ...