The latest flight of United Launch Alliance’s Vulcan rocket was more than another routine climb to orbit. It was a high‑stakes national security mission, a live engineering stress test and a preview ...

The United Launch Alliance Vulcan rocket took off on the Space Coast from Launch Complex 41 at Cape Canaveral, but what many noticed were the sparks seen coming from the rocket. After an initial delay ...

For the fourth time in a little more than a year, the US Space Force needs to send up a new satellite to replenish the ...

This decision follows an anomaly where sparks were seen coming off the rocket during its most recent mission. An investigation into the issue could take months, potentially delaying ULA's planned ...

A United Launch Alliance (ULA) rocket had a bumpy ride delivering its national security payload to geosynchronous orbit, releasing a cloud of debris reminiscent of an anomaly that tainted an earlier ...

Californians may soon see the powerful ULA Vulcan rocket blazing across the sky brighter and more widely visible than what is typical.

Add Yahoo as a preferred source to see more of our stories on Google. The United Launch Alliance Vulcan rocket took off on the Space Coast from Launch Complex 41 at Cape Canaveral, but what many ...