Over the last eight centuries, a huge underwater volcano 300 miles off the coast of what's now Oregon has erupted dozens of ...

What will happen next is the big question. Activity could continue at the present level for a while and then abate with no ...

What is the collective noun for a group of volcano scientists? While some tongue-in-cheek responses might be “an eruption of ...

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 ...

A little-known volcano on a remote Pacific island may have been the source of one of the 19th century’s most powerful ...

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.

Greek officials have declared a state of emergency, and tourists and locals have fled the tourist island of Santorini amid ...

Yellowstone Park is a popular destination for geology field trips. It’s easy to see why — the dynamic landscape contains a ...