On a cloudy day in late March, Isaiah Taylor, the 27-year-old founder and chief executive of Valar Atomics, a Hawthorne, Calif.–based nuclear energy startup, led me into a large black tent at the Utah ...

Research and development expenses rose $1 million sequentially, mainly from fuel development and graphite testing; general ...

On Thursday, Prime Minister Mark Carney unveiled a new national electricity strategy aimed at doubling Canada's grid capacity ...

A next-gen space nuclear generator built for long-range exploration could help NASA revive ambitious missions to the outer ...