NASA has achieved a critical milestone in space exploration with the successful testing of advanced nuclear thermal ...

Friday's hot fire test involved fueling and briefly firing the New Glenn's seven engines. It was one of the key last steps before the giant rocket launches for the first time. When is the next ...

General Atomic's new nuclear fuel was subjected to the maximum heat of a reactor for 20 minutes in the latest tests.

General Atomics Electromagnetic Systems (GA-EMS) has successfully tested the nuclear fuel that may one day propel and power the spacecraft of the future. The trials verify that the fuel can survive ...

A Chinese start-up will conduct research into a "suborbital airliner" powered by a ramrotor detonation engine.

A Chinese state-owned company performed a rocket flight aimed at testing reentry and landing burns late Saturday without ...

A DRACO ground test would need to capture plume exhaust fully to ensure no radioactive materials are released to the ...

How much does a turbocharged engine add to a car? These ten performance cars show that you can get a lot of fun out of ...

If the weather cooperates, the Starship launch will follow the maiden flight of Jeff Bezos' already weather-delayed New Glenn ...

While the Starship is lost, the mission's first-stage booster successfully returned to the launch tower, where it was caught ...

Telemetry from the Starship froze just more than 8 minutes after launch from Texas, moments after engines began shutting down.

Privately owned Blue Origin has achieved its goal—a decade in the making—of becoming an orbital launch player, even as it ...