NASA has wasted no time in selecting the vehicle that will replace the upper stage on its new plans for a standardized Space Launch System rocket.

Analysis of the tail of 3I/Atlas reveals that it contains an anomalous proportion of methanol, a class of alcohol used in fuels.

A 1,300-pound NASA satellite is expected to crash through Earth's atmosphere March 10, 2026, with some of the spacecraft ...

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

A defunct NASA spacecraft weighing about 1,300 pounds is expected to make a dramatic return to Earth today, bringing an end to a mission that began more than a decade ago. The satellite has spent ...

World Atlas highlights 13 offbeat, low-key Florida towns, from Apalachicola to Yankeetown, offering unique experiences beyond typical tourist spots.

NASA moved quickly to tap United Launch Alliance to help fill in the blank the agency created when it decided to alter its Artemis program’s future launches.

United Launch Alliance announced this week that its new boat for transporting rockets, SpaceShip, nears completion and will soon be ready for travel between Decatur and launch sites in Florida ...

Amazon has launched its first batch of internet satellites into orbit, the latest entry in the mega-constellation market currently dominated by SpaceX's Starlink network. The United Launch Alliance's ...

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

From Artemis IV onward, the new upper stage will be used instead of the existing interim cryogenic propulsion stage.