Not too far from Earth is a giant space rock that has silently played host to just twelve people in its entire history. What would happen if we put our cosmic satellite to work by covering it with ...

NASA has its sights on something that sounds like science fiction: building a nuclear reactor on the moon. The space agency says its gearing up to offer contracts to companies to begin developing the ...

Private companies are testing new power systems for longer rover missions and future human lunar habitats. By Mack DeGeurin Published Dec 11, 2025 1:08 PM EST Get the Popular Science daily ...

As preparations continue in Florida for the launch of the Artemis II mission as soon as next week, NASA announced a partnership with the U.S. Department of Energy to develop a new power source for ...

The United States flew a reactor in space in the 1960s and has studied nuclear thermal propulsion for decades. Fuel is not the primary limitation either; the enriched uranium supply chain is ...