Angus M. Thuermer Jr.

Aethon says Moneta Divide wastewater doesn’t violate barium, radium limits as it looks to pump some effluent underground.

Calling a federal conservation proposal for 3.7 million acres north of Rock Springs a “monstrosity of a plan,” U.S. Rep. Harriet Hageman urged a House subcommittee to pass her bill

Yearslong saga that pitted Sinclair Oil family against small-town residents ends in favor of the public.

Federal agency adopts a framework to protect and restore landscapes, but says the measure does not prioritize conservation over grazing, drilling and mining.

To support affordable housing, lawmakers next week are scheduled to examine a suite of tools including leasing of state lands for development, focusing infrastructure investments and using innovative financing arrangements.

At Moneta Divide field in Fremont County, EPA says plan by driller Aethon doesn’t meet standards to exempt Madison underground aquifer from protection.

Federal environmental officials have rejected a request by Aethon Energy to pump Moneta Divide oilfield wastewater into the Madison aquifer, saying the deep reservoir could be used for drinking water,

On a rainy day outside Rock Springs, folk and families give permanent homes and shelter to six horses, three burros captured on BLM land.

In a case that could affect public access to 8.3 million acres of public land in the West, the 10th Circuit Court of Appeals hears almost 60 minutes of arguments.

Wyoming’s largest energy supplier claims state regulators illegally usurped federal authority over electrical rates.