HELENA - A big chunk of coal-fired power is now set aside for NorthWestern Energy's 300,000-plus electric customers in Montana for 20 years or more - although state regulators weren't that happy about approving the deal Friday. A ...

HOUSTON After another quarter and more record profits for Exxon Mobil, Big Oil’s run may be coming to an end. Even as the world’s largest publicly traded oil company shattered its own U.S. record with third-quarter income of $14.83...

The state Public Service Commission may decide Friday whether NorthWestern Energy’s 300,000-plus Montana customers buy into some long-term power obtained by the company or whether the price is unfairly inflated. “We have a choice of tak...

Be informed about 'clean’ alternatives The subject of alternative energy has recently been getting a lot of attention. It’s encouraging that statewide and national media, as well as presidential candidates, are focusing on large-scale bio...

Amphibian populations have crashed as isolated water sources have dried up in Yellowstone National Park's lower Lamar Valley, according to recently published research. "This is strong evidence that climate change is altering one of the most protected...