The company has successfully trialed a nuclear fuel that could one day drastically cut down the travel time to Mars and ...

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

Rather than cram the whole system into an existing rocket, this would allow ... and human exploration using nuclear electric propulsion and nuclear thermal propulsion.

Scientists have thought about attaching nuclear, thermal-rocket engines to ammonia-heavy asteroids and redirecting the asteroids so that they crash into Mars and release the meteor's ammonia and ...