Greece's government has just declared a state of emergency on the island of Santorini, as earthquakes shake the island multiple times a day and sometimes only minutes apart.

Beneath dormant volcanoes in the Cascades region of the Pacific Northwest, scientists found large reservoirs of magma. The discovery challenges […] ...

Marcus Hustedde and Ashley Goins got engaged in January in front of the glow of the erupting Kiluaea volcano in Hawaii. They ...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of volcanologists” or “a swarm of seismologists,” we’ll stick to “an assembly ...

Did You Know There’s a ‘Hidden Beach’ Inside a Crater? Discover Mexico’s Marieta Islands and immerse yourself in ...

Hundreds of earthquakes have been detected beneath Mount Spurr in the past week, increasing the odds of an eruption at the ...

An eruption of Mount Churchill today similar to previous major plumes would bring much of the Northern Hemisphere to a ...

More than 3 billion years ago, when the Moon’s volcanic mare (the dark lunar “seas”) were formed, the Moon was rife with ...

The world’s largest atomic bomb was exploded by the Russians north of the Arctic Circle in 1961. It was equivalent to 2,500 Hiroshima A-bombs. The fireball was 5 miles in diameter and could ...

See 12 of the week’s most interesting images from around the world, as selected by Washington Post photo editors.

Residents on the popular island of Santorini have experienced hundreds of earthquakes this week while researchers have ...

The Greek island has a long history of earthquakes, but what is causing the recent series of quakes has scientists perplexed.