Investigators have recovered three key pieces of evidence in the explosion that killed 29 mine workers in West Virginia on April 5, NPR has learned. The evidence includes two safety devices called ...

ROUNDUP — The Mine Safety and Health Administration ordered Signal Peak Mine to shut down its longwall mining machine Tuesday following an accident that injured a miner last week. The mine will also ...

This weekend's testing of two methane monitors from the Upper Big Branch coal mine in West Virginia has not detected any evidence of tampering, NPR has learned. The methane monitors were removed from ...

Caterpillar will present a number of new longwall mining products and solutions at the International Trade Fair for Mining, Power Generation and Metallurgy, September 10 through 13 in Katowice, Poland ...