(AP) – Geothermal energy developers plan to pump 24 million gallons of water into the side of a dormant volcano in Central Oregon this summer to demonstrate new technology they hope will give a boost ...

Scientists in the United States are preparing to drill into one of the country’s most closely watched volcanoes in a bid to unlock a new class of ultra-deep geothermal power. The project aims to tap ...

Mount Etna's strange lava has long perplexed scientists, but new research reveals that the volcano formed in a bizarre way — ...