NASA’s push for a new nuclear rocket engine is not just another upgrade to the hardware we strap to the bottom of spacecraft.

A nuclear thermal propulsion engine could cut the travel time in half for future space explorers racing to the Red Planet.

Space agencies are moving closer to a new era of rocket propulsion that could fundamentally change deep-space travel. Nuclear ...

How do you control a nuclear space propulsion system? Very carefully. To help with this, the Oak Ridge National Laboratory (ORNL) has built a simulated nuclear reactor test bed to develop the engines ...

NASA lost communication with its MAVEN probe nearly a month ago, and efforts to re-establish a connection have been futile.

NASA has lost contact with a spacecraft that has orbited Mars for more than a decade. Maven, an acronym for Mars Atmosphere and Volatile Evolution, abruptly stopped communicating with ground stations ...