The powerful Vulcan faces its biggest test yet as it prepares to launch on its second national security mission from Florida.

The Vulcan has launched on its second-ever national security spaceflight in what will be the biggest test yet for ULA's ...

The United States is preparing to send astronauts around the Moon for the first time in more than half a century, riding a towering new rocket that is now assembled and undergoing final checks in ...

Expendable heavy-lift launcher sends 32 satellites for ecommerce titan's growing low-Earth orbit constellation.

No one will supplant American and Chinese dominance in the space launch arena anytime soon, but several longtime US allies now see sovereign access to space as a national security imperative. Taking ...

After a string of dramatic failures, the huge Starship rocket from SpaceX had a fully successful test on Oct. 13, 2025. A couple more test flights, and SpaceX plans to launch it into orbit. A month ...

The list of broken promises Musk has made about fantastical technological achievements leaves a lot of room for doubt.