Decades after underground coal mining all but ended in Eastern Pennsylvania, residents of certain areas continue today to ...

With the help of laser sensors, drones and a robot dog, workers are preparing to re-enter one of Queensland's largest ...

Mine subsidence has caused billions of dollars in damage in the U.S. In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at ...

In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...

In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state’s 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...

CHICAGO | When an interstate bridge between Springfield and Champaign began to sink three years ago, the cause was quickly identified: An old coal mine 220 feet below the surface ...

In Pennsylvania, where mining dates to the late 1700s, coal was mined in almost half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...

In Pennsylvania, where mining dates to the late 1700s, coal was mined in nearly half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...

In Pennsylvania, where mining dates to the late 1700s, coal was mined in almost half of the state's 67 counties and there are at least 5,000 abandoned underground mines, leaving behind hazards ...