Yellowstone National Park's geological history is one of the most intensely studied in North America. A new geologic unit ...

In geology, even small layers can tell big stories. But figuring out the origins of such small layers can be a challenge, ...

Learn more about the new hydrothermal feature that appeared last summer in Yellowstone National Park, and how, even though it ...

Fly above the surreal landscapes of Landmannalaugar — drone footage revealing lava fields, steaming hot springs, and rainbow-hued rhyolite mountains like Brennisteinsalda and Bláhnjúkur in Iceland’s ...

The background cliff is the Summit Lake rhyolite lava flow, which is about 111,000 years old. The camera is a temporary deployment installed on a sloping and damaged boardwalk, which is why the ...

The Yellowstone Plateau Volcanic Field has some of the largest rhyolite lava flows on Earth. Have you ever wondered what these flows look like in their interior, or how the unique textures that can be ...

The proposed Rhyolite Ridge lithium mine in Nevada remains on track to secure near-term investment despite Sibanye-Stillwater’s (JSE: SSW)(NYSE: SBSW) decision to walk away earlier this year ...

A mafic volcanic eruption is one characterized by lava flows low in silica and high in iron and magnesium. Rhyolitic lava flows are viscous in nature and form lava domes that are thick and blocky.

Awed by a volcanic eruption she witnessed as a child, Arnhildur Pálmadóttir now aims to help architects re-imagine what’s possible.

A “similar type of hydrothermal activity” was first spotted in 2003 on the “other side of the same rhyolite lava flow” from the new feature, near Nymph Lake, scientists said.