From Europe to North America, an energy revolution is breathing new life into empty, long-forgotten coal mine shafts—by repurposing them into places to store renewable energy. Using "gravity batteries ...

The magnet fishing trip began quietly at what appeared to be an abandoned mine. Metal was being pulled without issue. Then police arrived unexpectedly. The situation escalated from exploration to ...

Globally, energy markets are transitioning away from coal and toward solar energy. In 2024, the world installed a record-breaking 599 GW of solar and has nearly 2 TW in development. Installed solar ...