Ash emission from the summit crater of Kanlaon Volcano was observed Friday afternoon, the Philippine Institute of Volcanology ...

Hanauma Bay in Oahu is one of Hawaii’s most iconic natural wonders, formed within a volcanic crater and filled with ...

Crater Lake, located in Oregon, is the deepest lake in the United States. The lake formed in a caldera created by the ...

Hawaii Volcanoes National Park blends dramatic volcanic scenery with deep cultural significance.

Diamonds are chemically similar to another form of carbon, graphite, which is dark, soft and conducts electricity. In ...

Forty-six years ago today, Mount St. Helens unleashed one of the most devastating volcanic eruptions in United States history ...

A rare underwater eruption in the Bismarck Sea may give birth to a new island, with NASA satellites capturing every stage.

Campi Flegrei near Naples shows self-reinforcing acceleration in activity, suggesting a major geological shift may occur ...

Blue sunsets, whirling dust devils, giant volcanoes, tiny moons, and marsquakes—there’s a lot to discover on Mars!

Ancient floods once ripped across Mars, carving the massive Shalbatana Vallis channel and reshaping the planet’s surface. New Mars Express images reveal a chaotic landscape of craters, lava, and ...

More than half of the flight time from the UK is a largely untouched island that brings all the outdoor adventure of Costa ...