NASA and Northrop Grumman are currently working on an alterative plan to get the spacecraft to the ISS after engine trouble.

How do you control a nuclear space propulsion system? Very carefully. To help with this, the Oak Ridge National Laboratory ...

How can nuclear propulsion help improve deep space missions by significantly reducing the amount of time to reach Mars and beyond? This is what a recent st | Space ...

Instead of using solid fuel elements, this innovative design uses liquid uranium fuel to heat the rocket propellant directly.

Solar Orbiter has identified the Sun’s dual “engines” for superfast electrons: explosive flares and sweeping coronal mass ...