A group backed by Elon Musk is running ads targeting Republican lawmakers in several states over their support of a federal ...

Creek Coal Mine, already the largest in Montana, will get the expansion it has been seeking for more than 20 years.

Widespread confusion and fear rippled through the federal workforce Thursday as federal agencies faced a key deadline in ...

European and US policy makers are eyeing deeper ties around natural gas even as trade conflict boils and President Donald Trump challenges the long-running transatlantic alliance.

The Trump administration has expended a lot of energy into sparking the idea that there is a looming energy crisis in the U.S ...