It took nearly a decade, billions in investment, and a geopolitical rupture to get here, but on Tuesday night the United States finally severed its last operational tie to Russian-made rocket engines ...

THE year 1942 found me, a chemist by profession, as a private in the German Antiaircraft Artillery. Then suddenly, one day in December, I received orders to report to a station cryptically entitled ...

Vulcan lifted off from Space Launch Complex-41 at Cape Canaveral Space Force Station in Florida just before 9 p.m. EDT. The ...

In the near term, ULA will switch back to launching its soon-to-retire Atlas V rocket, the Vulcan rocket's predecessor. The ...

The Vulcan, the United Launch Alliance's newer rocket, got off the ground from Florida on its first national security mission for US Space Force.

The rapid increase in rocket launches could slow the recovery of the ozone layer, according to a recent study. Scientists ...

ULA's Vulcan is replacing the company's workhorse Atlas 5 rocket and the already-retired Delta 4 family of launchers.