Three people were injured Saturday when a large crane collapsed as it moved a pipe across a rail line at the Black Thunder coal mine in northeast Wyoming, government officials said.

Three people were injured Saturday when a large crane collapsed as it moved a pipe across a rail line at the Black Thunder coal mine in northeast Wyoming, government officials said.

The most damaging earthquake in Australia's history was caused by humans, new research says.

The most damaging earthquake in Australia's history was caused by humans, new research says.

Teck Cominco Ltd. said tests done after almost a ton of acid spilled from a refinery into a river in British Columbia show that lead levels don't exceed provincial environmental standards.

A judge has reinstated a $100,000 fine against a Massey Energy Co. subsidiary that failed to report a serious coal mine accident within 15 minutes.

Ivanhoe Energy Inc. of Vancouver signalled Thursday it intends to build an estimated $1.8-billion integrated oilsands project near Fort McMurray.

Ivanhoe Energy Inc. of Vancouver signalled Thursday it intends to build an estimated $1.8-billion integrated oilsands project near Fort McMurray.

Washington state is monitoring a lead and acid spill into the Columbia River from the massive Teck Cominco lead and zinc smelter just across the border in Trail, B.C. A leak in a lead refinery pipe triggered an ...

Oxiana Ltd., buying Zinifex Ltd. to become the world's second-largest zinc producer, said production at the Sepon copper mine in Laos may be halted for as long as two weeks after a fire in the processing ...

Oxiana Ltd., buying Zinifex Ltd. to become the world's second-largest zinc producer, said production at the Sepon copper mine in Laos may be halted for as long as two weeks after a fire in the processing ...

Nautilus Minerals has announced it has been able to produce clean high-grade copper concentrate from its sea-floor site in Papua New Guinea.