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 ...

It's the stuff of fantasy: jet fuel making a dieselvehicle tak e off like, well, a jet. But what really happens if you put ...

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

According to the Blue Origin website, the engines of the Blue Origin New Glenn reusable rocket were made in Kent, Wash. and ...

German firm Rocket Factory Augsburg (RFA) have been awarded the first Launch Operator Licence allowing it to launch rockets ...

Angry Astronaut and Nextbigfuture commenter are making the case that SpaceX and Elon Musk must switch to nuclear thermal rockets to colonize Mars. I will ...

A Houston-based company is attempting to break past Mach 5 — and it's broadening its scope beyond just commercial flights, ...

Starship experienced a "rapid unscheduled disassembly," which is a phrase SpaceX coined to describe an explosion.

After abruptly calling off its first launch attempt in the early hours of Monday morning, Blue Origin notched a historic ...

Flawed rocket launches by SpaceX and Blue Origin still leave both companies in position to dominate the space sector.

Elon Musk’s SpaceX found a likely cause for what’s to blame for his 400-foot-tall Starship breaking apart in space after ...