A tall fountain of lava is spewing from a volcano on Hawaii's Big Island. A webcam on Tuesday shows vigorous streams of red ...

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

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

ATHENS, Greece -- Multiple earthquakes are rattling Santorini, a volcanic island in Greece, prompting authorities to dispatch rescuers with tents, a sniffer dog and drones, and to shut schools on four ...

A Russian serviceman guards an area of the Zaporizhzhia Nuclear Power Station in territory under Russian military control, 1 ...

Since completing its primary science objectives in orbit of Jupiter, Juno has been conducting flybys of the Jovian moons Io, ...

One of Iceland's largest volcanoes is on the brink of erupting, experts have warned. Bárðarbunga – the second-largest volcano in the country – has been hit with a swarm of 130 ...

NASA's Juno spacecraft has discovered a giant volcanic hot spot on the surface of Jupiter's hellish moon Io. The eruptions in ...

Volcanic ash particles are microscopic shards ... In short, Toba was the biggest eruption since modern humans appeared on earth, and it came very close to wiping out people, along with many ...

Said to be the most popular island on Instagram, Santorini is largely deserted following a series of earthquakes that have ...

Io, Jupiter’s fiery moon, just erupted with enough energy to power Earth six times over! NASA’s Juno mission captured this ...

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