These ghostly hoops have been spotted above volcanic events around the world. But how they form has long been a mystery. Mount Etna—located in Catania, Italy—is one of the rare volcanoes that can blow ...

A volcano in Mexico known as "El Popo" spewed a huge plume of ash cloud into the evening sky on Tuesday. Captivating video shows Mexico’s Popocatépetl volcano unleashing smoke, ash and gas about two ...

In this astronaut photo, an infamous Nicaraguan volcano coughs up toxic clouds of gas a few years after its first eruptions for more than a century. Momotombo is an active stratovolcano that sits on ...

On the Big Island of Hawaii, the Kilauea volcano has been erupting intermittently since late November. According to the ...

Mexico’s most dangerous active volcano spewed ash and smoke on Tuesday, with photos showing massive columns of gray emissions – large enough to ground nearby flights. The Popocatépetl volcano sits in ...

"While no human lives and livestock have been lost so far, many villages have been covered in ash and as a result their animals have little to eat," an official said.

This eerie satellite photo shows a "devilish" Russian volcano spewing out a 1,000-mile-long river of smoke into Earth's atmosphere. It is a striking reminder of the volcanic power trapped within the ...

CATANIA, Italy -- Smoke rings were observed coming out of Sicily's Mount Etna on Sunday, after a vent opened on the southeastern crater last week. Footage by Rosario Catania shows Europe's largest ...

TOKYO (Reuters) - A volcano in Japan erupted on Thursday, shooting clouds of smoke and rocks into the sky, and prompting authorities to ban access to the peak, but there were no reports of any damage ...

SANTIAGO (Reuters) - Volcano Calbuco in southern Chile erupted for the first time in more than five decades on Wednesday, sending a thick plume of ash and smoke nearly 20 kilometres into the sky.