The Space Launch System (SLS) core stage and rocket boosters have now been stood up and mated in preparation for NASA's ...

Tory Bruno provided an update on the investigation into the Vulcan mishap and discussed when to expect next ULA launch.

ULA's Vulcan rocket has been certified by the US Space Force for national security missions after completing a rigorous ...

Helium, used to pressurize rocket fuel systems, is often a source of technical complications. However, a team of Chinese scientists has managed to harness its properties to increase the efficiency of ...

Unlike SpaceX Falcon 9 — which is fully liquid propellant — ULA's Vulcan rocket utilizes solid rocket boosters at liftoff. "The BE-4 rocket engines compensated, steered for that, and took us ...

The 184-foot-tall (56-meter) rocket lifted off from Kourou, French Guiana, at 11:24 am EST (16:24 UTC). Twin solid-fueled ...

In addition to holding the propellant for its four rear-mounted rocket engines, the core is the backbone ... of the core stage are twin five-segment solid rocket boosters, which were earlier ...

The U.S. Army awarded defense contractor Lockheed Martin a $5 billion contract to make the Precision Strike Missiles (PrSM) ...