Learn more about the past eruptions at Yellowstone National Park and how each new eruption displaced evidence of the past.

Volcanic eruptions remain one of Earth’s most dramatic natural phenomena, characterised by explosive discharges of ash, gas and pyroclastic materials that play a critical role in shaping the ...

Molten lava continued to flow from the crater during an effusive eruption at Mayon Volcano, the Philippine Institute of ...

Kamchatka Peninsula: Russia's Restless Eastern Edge 8 earthquake struck at a depth of 35 km off the far eastern coast of ...

In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world's most active and whose eruption could affect millions of people. Its mission: figure ...

Volcanoes often give little warning before they erupt, but now scientists have discovered an unexpected early warning sign—trees. This new finding comes from a joint study by researchers from NASA, ...

The Ring of Fire is an enormous belt of active and dormant volcanoes that surrounds most of the Pacific Ocean. It runs from southern Chile, up the west coast of the Americas, through the islands off ...

Triggered by lightning in thunderstorms, whistler waves are radio waves that are channelled thousands of kilometres around the world via ducts in the magnetosphere. As Ian Randall reports, these ...

Mount Etna’s craters continue to smoulder two days after its largest eruption in four years sent tourists fleeing from a vast column of gas and ash on Monday. Tourists have returned to the slopes of ...