The agency that supervises the nation's nuclear weapons stockpile would essentially lose direct Cabinet oversight under legislation that Congress is negotiating.

By Matthew Daly, Associated Press

President Donald Trump will speak about the country's role in the global energy market at an "Unleashing American Energy" event.

By Erica R. Hendry

The U.S Department of Energy's Solar Decathlon brought teams from 20 universities to the National Mall to showcase their designs for a modern, solar-powered home. Interest in the event has grown amid new concerns over energy costs and climate change.