Seismic activity persists at Mount Spurr, which scientists said could mean the Alaska volcano is poised for a possible ...

The Pacific Ring of Fire is living up to its name, with scientists tracking a chain of restless faults and volcanoes that circle the Pacific Ocean. From Alaska to Kamchatka and down to the Oregon ...

Volcanoes are Earth’s geologic architects. They’ve created more than 80 percent of our planet’s surface, laying the foundation that has allowed life to thrive. Their explosive force crafts mountains ...

Ciara Wanket drilling for sedaDNA samples in Canada’s Yukon territory. This ash layer from the volcano eruption she studied is visible as a pale stripe in the dark permafrost sediment. For the first ...