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 ...

Solid rocket motors—and the chemicals that fuel them—are a major limitation on America’s missile stockpiles, and one that ...

HELSINKI — Chinese commercial firm CAS Space launched its first Lihong-1 suborbital flight and recovery test mission, seeing a successful parachute descent of the capsule. Lihong-1 lifted off at 3:00 ...

The latest test of a next-generation rocket booster for NASA’s Artemis moon program ended with a violent structural failure, abruptly cutting short what was supposed to be a carefully choreographed ...

The Brunswick-based startup is marketing its non‑toxic, bio‑derived fuel and a patent‑pending oxidizer system as an ...

Update: The United Launch Alliance has put out a statement declaring the mission a success and indicating plans to investigate an anomaly observed early in the flight on the solid rocket boosters. The ...

NASA says it can't try until March at the earliest to send a crewed spacecraft on a flight around the moon and back, due to hydrogen leaks during testing of the Artemis II rocket.

Firing engines together proves that engines can team up to create more thrust, which is essential for lifting heavier ...

United Launch Alliance's Vulcan rocket is preparing for its fourth launch from Cape Canaveral, and its second national security mission for the U.S. Space Force. The upcoming mission will be the ...