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

Until recently, the Mount Jackson Rhyolite Series was believed to consist of nonexplosive, effusive rhyolite lava flows; however, remapping in the area revealed a previously unrecognized volcanic ...

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

Learn about how volcanoes are formed and the ways they erupt Chiara Maria Petrone, Roberto Scandone, and Alex Whittaker On ...

This scenic circuit offers views that provide dramatic evidence of the power of erosion, which has cut through a thick resistant rhyolite lava flow. Starting at the upper car park near the Binna ...

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

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 ...

Nature doesn’t follow blueprints, and sometimes the result is strange enough to stop you in your tracks. Around the world, ...

That earlier activity occurred on the opposite side of the same rhyolite lava flow, just west of Nymph Lake. According to YVO: ...

Johnson’s Shut-Ins State Park is located in Middle Brook, Missouri, approximately 100 miles southwest of St. Louis. The park ...