The projected pace of retirements could slow down, given the shift in regulatory policies and power market dynamics.

Authorities use DNA testing and tracing to work out the origin of fire ants found more than 700 kilometres outside the ...

Rare earth elements are a family of 17 metallic elements with unusual properties that make them useful for specific ...

The expansion permits Signal Peak Energy to extract nearly 60 million tons of coal from the Bull Mountains mine north of Billings.

Even as President Trump vows to reinvigorate America's coal industry, critics say his administration has stripped away key health protections for miners.

Absaloka mine, top employer, and revenue source for the Crow Tribe, shipped its final railcar of coal early Tuesday, though operator Westmorland Mining LLC indicates closure isn't imminent.

Wyoming's Brook Mine that aims to reduce U.S. foreign reliance on critical minerals for defense, technology and clean energy ...

China has pulled back its rare earths exports, which are vital to everyday technologies and American defense. But the U.S.

Citing a “national energy emergency,” the federal government gave a green light Friday to a long-delayed expansion of Signal Peak Energy’s Bull Mountains coal mine near Billings.

Residents of Forest Lake, a Navajo community, lived through years of nearby coal mining, and they say they are not interested in reviving the industry as the president has ordered. No formal plans ...

The U.S. Interior Department approved a plan by Signal Peak Energy to expand coal mining, providing exports for Japan and South Korea, the agency said on Friday, as it responded to President ...

Old coal mines on the eastern slopes of the Alberta Rockies are leaching chemicals that are poisoning the fish downstream, says a new study by Alberta government scientists.