Which US rocket companies achieved the most during 2025? Once again, Ars Technica is here to provide some answers in the form ...

In late 2024 or early 2025, United Launch Alliance (ULA)'s Vulcan Centaur rocket will fly its first of more than two dozen U.S. Space Force missions allocated under a national security space launch ...

United Launch Alliance's Vulcan rocket experienced a shower of sparks during its certification flight on Friday, raising questions about its performance.The ULA ushered in a new era when its second ...

As the rising sun illuminated clouds in pinkish hues, United Launch Alliance's Vulcan rocket bolted off the pad Friday morning on its second-ever flight, making for a photogenic display for Cocoa ...

Defense contractor L3Harris Technologies struck a deal to sell a controlling interest in a business that makes engines that ...

The rise of the commercial space industry precipitated a steeper decline at Rocketdyne. Boeing sold the Rocketdyne division ...

A Vulcan Rocket from United Launch Alliance successfully lifted off Tuesday night as part of a mission for the U.S. Space Force's Space Systems Command. The rocket launch marks a milestone for the ...

The Space Force said Wednesday it has certified United Launch Alliance's Vulcan Centaur rocket to fly military launch missions, positioning the company to compete with SpaceX for future contracts.

The first Vulcan launch by about four years before ULA successfully completed the rocket’s first demonstration flight in January 2024. ULA expected to be ready to launch the first military mission on ...

United Launch Alliance fired off a next-generation Vulcan rocket Friday in the second of two "certification" test flights needed before the new launcher can be used to carry high-priority national ...

The Space Coast’s first launch of the year came after midnight Sunday, the first of what could be four launches in the next ...