Learn how subduction zones become enriched in gold through repeated melting of Earth's mantle.

Iceland, a land famous for its resplendent waters, glacial scenery, and bubbling hot springs, is not usually top of mind when it comes to breaking speed records. But the chilly island nation in the ...

Credit: Daniel Rasmussen, Smithsonian. Photo taken under Alaska Maritime National Wildlife Refuge Research and Monitoring Special Use Permit #74500-16-009. Note to editors: Photos of the research team ...

PORTLAND, Ore. (KOIN) — The Pacific Northwest is well known for its stunning summits and plentiful peaks, but are the mountains moving? In a USGS Hazard Notification statement Monday, Cascades Volcano ...

New seismic surveys beneath Japan’s Kikai caldera have detected a large zone of partially molten rock refilling the magma ...

A "rapid, ongoing" rise in the Earth's crust is occurring "considerably faster than before" underneath a part of Iceland that has seen heightened tectonic activity in recent weeks, the nation's ...

Scientists say a mysterious type of iron-rich magma entombed within long dormant volcanoes is likely packed with the in-demand elementsAccording to a new study, extinct volcanoes could be a “rich” ...

Around the world, between 40 and 50 volcanoes are currently erupting or in states of unrest, and hundreds of millions of people are at risk of hazards posed by these potentially active volcanos. Yet, ...