A breathtaking astronaut photo reveals El Salvador’s Lake Coatepeque—an ancient volcanic crater lake that sometimes ...

The National Weather Service (NWS) office in Grand Rapids, Michigan, shared some spectacular views of "ice volcanoes" spewing out of Lake Michigan during a cold front over the weekend. "It was a great ...

A photograph taken from space reveals a strange natural formation in Nicaragua, where two volcanic lakes appear to form a pair of eyes gazing at the cosmos from a skull-like peninsula. This surprising ...

Lake Mead's receding water levels are now revealing ancient volcanic eruptions from millions of years ago. Lake Mead is the biggest man-made reservoir in North America, formed by the Hoover Dam. Its ...

The mouth of the Baptism River as it enters Lake Superior at Tettegouche State Park May 17 near Silver Bay, Minn. CATHY WURZER: OK. Sit back. Relax. We have a story to tell you about breakups. They ...

Volcanic lakes / Bruce Christenson, Karoly Németh, Dmitri Rouwet, Franco Tassi, Jean Vandemeulebrouck, and Johan C. Varekamp -- Volcano-hydrologic hazards from volcanic lakes / V. Manville -- ...

This geological formation appears at Meke Crater Lake in Karapınar, Konya, Turkey. A volcanic eruption created a cone inside the original crater lake. The result is a volcano within another volcanic ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Near the summit of ...

Remember when a little puddle of green water was spotted in Halema‘uma‘u? Time flies, because that was late July 2019 — over five years ago! And because we’ve had multiple eruptions and intrusions ...

Near the summit of Costa Rica’s Poás volcano is one of Earth’s most acidic lakes, bright blue and full of toxic metals. The harsh conditions of Laguna Caliente, where temperatures can fluctuate ...