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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The powerful Vulcan rocket faces its biggest test yet as it prepares to launch on its second national security spaceflight from ...

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

Update: Liftoff of ULA's Atlas V rocket at 6:54 p.m. EDT! The rocket successfully delivered Boeing's Starliner capsule to an optimal orbit for the OFT-2 mission. Minutes later, Starliner completed a ...

Dicey weather already pushed United Launch Alliance to delay a planned early Monday launch of an Atlas V, but SpaceX has a pair of Falcon 9 rockets that could fly Sunday night and Monday morning. Up ...

The launch of an Atlas V rocket that was scheduled for this evening at Vandenberg Air Force Base has been postponed a day due to unfavorable weather.

The Space Coast ended 2025 with a record 109 launches from SpaceX, United Launch Alliance and Blue Origin. 2026 could see a ...

The U.S. Space Force has suspended all missions on the Vulcan rocket, built by United Launch Alliance, a joint venture of ...

A ULA Vulcan rocket launched a Space Force mission, but an unexpected light show from its boosters sparked questions. Here's what we know.