HPR contributor Betsy Brown spoke with a USGS geologist during the last eruptive episode to find out what’s causing this ...

Repeated volcanic eruptions have rocked southwestern Iceland since December 2023, and the island’s inhabitants are getting used to the sight of lava spewing near populated areas. For the wider world, ...

Earth’s continents may look fixed on a globe, but they’ve been drifting, splitting and reforming over billions of years – and ...