NASA is backing a new generation of nuclear rockets that could compress the months-long journey to Mars into a sprint ...

This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.

NASA is leading an effort, working with the Department of Energy (DOE), to advance space nuclear technologies. The government team has selected three reactor design concept proposals for a nuclear ...

Ad Astra Rocket Company (Ad Astra) and the National Aeronautics and Space Administration (NASA) have signed two separate contracts to continue the maturation of the VASIMR® rocket technology. The ...