The wreckage of the Black Hawk helicopter that collided with an American Airlines plane over the Potomac River in Washington ...

Semeru has been showing heightened volcanic activity since November of last year. The 3,676-meter-high volcano erupted 475 ...

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 ...

Local authorities have heightened their alert as moderate to heavy rains coupled with ash deposited along the slopes of the ...

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

A demonstration in Russia's Arkhangelsk Oblast went awry after two Russian-made Burlak all-terrain rescue trucks fell through ...

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

Hawaii's Kilauea volcano erupted on February 4, spewing lava and molten rock 50 metres into the air, dramatic images show.

NASA officials said what Juno spotted was 'the most powerful volcanic event ever recorded on the most volcanic world in our ...

A minor explosion occurred at the crater of the Kanlaon Volcano on Thursday afternoon, according to the Philippine Institute of Volcanology and Seismology (Phivolcs). In ...

Kanlaon Volcano on Negros Island erupted at 3:11 p.m., Thursday, Feb. 6, producing a minor explosive event that lasted two ...