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

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 ...

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

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

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 ...

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, ...

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

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 ...

Pieces of SpaceX’s massive Starship rocket are washing ashore after the latest test flight exploded over Turks and Caicos.