Mount Etna has once again erupted, meaning potentially major consequences for anyone visiting the popular holiday island of ...

The Sakurajima Volcano spewed a cloud of ash during an eruption in Japan. Dramatic footage shows the volcano sending a towering plume of ash and smoke soaring up to 3,000 metres into the sky on ...

Shiveluch, one of Russia's most active volcanoes, erupted Tuesday, spewing clouds of ash 20 kilometers into the sky and covering broad areas in ash.

Ash clouds are made of tiny particles that were lofted into the atmosphere from a volcanic eruption and can have a huge impact, even thousands of miles from the eruption.

When a volcano erupts, it can spew ash high into the atmosphere—inserting aerosols right where clouds typically form. How exactly these aerosols impact cloud formation has long been a mystery to ...

A mammoth cloud of volcanic ash stretching 1,250 miles across the North Atlantic is forcing most flights between North America and Europe to divert into a sky-high traffic jam, Irish and European ...

PAHOA, Hawaii--A massive cloud of ash and toxic steam from the erupting Kilauea volcano now has Hawaii's Big Island under a "red alert" for aviation. It's an official warning that air travel in ...

The ash cloud produced by Chile’s Puyehue volcanic eruption, which has disrupted flights and left thousands of passengers stranded, could circumnavigate the globe several times, volcanologists ...

The eruption of Shiveluch, on a remote peninsula in eastern Russia, sent a giant cloud of debris into the sky and smothered villages in a thick layer of brown volcanic dust.

Ash, in other words, may hasten the transformation of volcanic gases in the atmosphere. Just what the impact of those clouds of ash are on the climate isn’t clear. Long-lasting particles in the ...

Home Digest Round Up Features Europe's volcanic ash cloud: What you need to know The towering cloud of rock dust has grounded flights across northern Europe. What now?

A towering mushroom cloud of ash and smoke rose from a volcano in the Pacific Ocean so high that an astronaut aboard the International Space Station was able to take this stunning photograph ...