Shares of Diversified Energy are up more than 25% this year.

Tortoise Senior Portfolio Manager & Managing Director Rob Thummel joins Yahoo Finance anchor Julie Hyman to discuss ...

There was a circle in Maria Burns' yard where grass wouldn't grow and trees died. She knew what it was: An old natural gas well, plugged when she... The U.S. has millions of old gas and oil wells.

Maria Burns watched with satisfaction as a three-story-high drilling rig made a racket in her front yard. Normally, the loudest thing on this residential street in Ashland, Ohio, would be the barking ...