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 ...

United Launch Alliance is preparing its Vulcan Centaur rocket for a major national security mission from Cape Canaveral, a flight that will test whether this new workhorse can deliver for the U.S.

A geosynchronous orbit (sometimes abbreviated GSO) is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds (one sidereal day).

ULA's Vulcan rocket is preparing for its third launch, the USSF-106 mission for the Space Force. The launch will take place from Cape Canaveral Space Force Station's Launch Complex-41, with the date ...

A United Launch Alliance Vulcan rocket carrying classified Space Force payloads suffered a booster problem but apparently ...

ULA’s Vulcan launches Space Force mission; solid booster anomaly under investigation ULA’s Vulcan launches U.S. Space Force mission to geosynchronous orbit ...

It's been decades since humanity first sent a satellite into orbit, and during all this time we kind of become experts at it. What we still haven't mastered yet is extending the life of these ...

Moments after liftoff from Florida’s Space Coast early Thursday morning, a shower of sparks emerged in the exhaust plume of United Launch Alliance’s Vulcan rocket. Seconds later, the rocket twisted on ...