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

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

The light people were seeing was from the Vulcan rocket launched by the United Launch Alliance. It took off from Cape ...

The L3Harris-built Navigation Technology Satellite-3 (NTS-3) satellite launched on a United Launch Alliance Vulcan rocket Aug ...

The Pentagon has launched its first experimental navigation satellite in nearly five decades, aiming to test out a new ...

In this week's column, Opinion Deputy Jacob Stewart breaks down why he says that we would all be better off if President Trump dismantled the USPS.

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 ...

Poland finalized a $3.8 billion agreement to upgrade its fleet of F-16 fighter jets, Defense Minister Władysław ...