Three million people living near Mexico’s nearly 18,000-foot Popocatépetl volcano are facing evacuation orders as it continues to spew ash across the region, forcing schools to close and hundreds of ...

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 ...

Scientists from Mexico's National Autonomous University have created the first three-dimensional image of the Popocatépetl ...

Mexico’s Popocatepetl volcano spewed gas, smoke and ash Monday, leading education authorities to suspend in-person classes in parts of three states, a day after the government raised the warning level ...

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 ...

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 ...

A volcano can casually puff out perfect smoke rings into the sky. There is a simple science behind these rare volcanic vortex ...

Popocatépetl volcano just outside Mexico City has been erupting occasionally since 1994, but over the past week it has rumbled every day. Scientists have recorded hundreds of explosions, and webcams ...

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 ...

Some scientists think we can better understand volcanoes by learning how the gaseous vortexes emerge. By Carolyn Wilke Some volcanoes perform a rather subtle trick: blowing rings of vapor that waft ...