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

The United Launch Alliance launched a Vulcan rocket Tuesday night from Florida as part of the first U.S. Space ...

The United Launch Alliance successfully launched a Vulcan Centaur rocket into orbit from Cape Canaveral Space Force Station ...

Maine's Total Coverage received photos from multiple viewers showing a bright white light in the sky Tuesday night.

The NTS-3 is the Department of Defense’s first experimental navigation satellite system in nearly 50 years, the company said.