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

Let’s take a second to wrap our heads around this. Imagine standing on the edge of a volcanic crater, peering down at a shimmering lake nestled inside it. That crater sits on an island. But the island ...

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 ...

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 -- ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. Mammoth Lakes, as seen in 1995, with Long Valley in the distance. The valley is actually a collapsed volcanic crater, formed about ...

This Oregon landmark holds 4.9 trillion gallons of water and ranks among the world’s deepest lakes. Learn how it formed and what scientists have found in its depths. In 1886, a party from the U.S.

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 ...

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 ...

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 ...