For more than 60 years, nearly every large rocket used some combination of the same liquid and solid propellants. Refined ...

Firefly Aerospace leaders told SXSW attendees about the Alpha rocket's return to flight and the company's plans for new ...

To fulfill its promise of reaching the Moon and Mars, SpaceX needs a really big rocket. Like, really big. The latest version ...

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 ...

Nevertheless, this rocket, named “Nell,” represented a historic achievement that would help launch the modern age of ...

Add Yahoo as a preferred source to see more of our stories on Google. Who's up for an evening rocket launch? A rocket from Cape Canaveral, Florida, with a southeast trajectory is scheduled to lift off ...

Reports suggest that the US Space Force is pausing missions on the Vulcan rocket until an anomaly observed during a February ...

Centennial on Monday, but rain forces rescheduling.

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

Boeing and Lockheed investors can't count on revenue contributions from ULA for awhile. How big a problem is that?