The Maryland-based giant acquires the Houston-based operator of geothermal plants in Sonoma and Lake counties. It’s said to be one of the largest power-generation deals in U.S. history.

The earthquake swarm that has shaken San Ramon for more than two months appears to be over, scientists said Monday. But when ...

The U.S. offers heavy hitters that deliver postcard views and iconic energy. These stops provide a complete reset, from the geothermal wonders of Yellowstone to the soul-stirring jazz of New Orleans, ...

Imagine stepping out of your hotel in the early morning with nothing but a map, a backpack, and the sense that the world is ...