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

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

Immerse yourself in the tropical paradise of Hawaii through stunning 4K Ultra HD. From volcanic landscapes and emerald rainforests to secluded coastal gems and authentic island culture, this video ...

From Mount St Helens in Washington to the Mauna Loa in Hawaii, these structures have a complicated history of disaster and beauty.

Lava in Hawaii, seismic shaking in Alaska and underwater rumblings near Oregon. Scientists say it’s not the end of the world, but it’s definitely worth watching.