A new method could transform abandoned coal mines across the U.S. into massive underground batteries for clean energy.

PENNSYLVANIA, USA — Swaths of Pennsylvania and many other states are honeycombed with old, unstable mines that can cause the earth to suddenly give way — a phenomenon known as “mine subsidence” that ...

The sensors operate on an ultra-low-power protocol, enabling deployments to remain in place for as long as 10 years with zero need for maintenance.

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. Swaths of Pennsylvania and many other states ...

After a long hike through bear country, we reach a 120-year-old abandoned mine deep in the mountains. The original plan was ...

A version of this story was originally published on Jan. 17, 2025. Drivers on Interstate 80 long have grappled with gridlock, sun glare and other unavoidable headaches of traveling in a densely ...

Dozens of people get injured or die in the U.S. every year because they don’t follow this simple advice: Stay out of abandoned and active mines and surrounding lands. Abandoned mines are not history ...

When an abandoned mineshaft beneath Interstate 80 in Morris County collapsed the morning after Christmas, closing the eastbound side of the highway for four days, everyone took notice. No vehicles ...

Cumberland is testing whether its abandoned coal mines can become a town-wide geothermal network that supports redevelopment, economic growth, and lower emissions.

EL DORADO COUNTY – A dog has been rescued after it fell down an abandoned mine shaft in Northern California. Garden Valley Fire Protection District says, early in the morning on Nov. 21, first ...