The U.S. Geological Survey Cascades Volcano Observatory said the swarm began early Tuesday at the 14,410-foot volcano near ...

Colossal volcanic eruptions like the kind that may have obliterated the dinosaurs more than 65 million years ago are caused ...

How Can Trees Warn Us About Volcanoes? Science has yet to discover a way to prevent volcanic eruptions, so the early warning signs of volcanic activity are key to keeping people safe. One of the ...

Costa Rica’s Poás Volcano has been putting on a fiery show, with its crater glowing red from burning sulfur and molten rocks. Scientists from the Volcanological and Seismological Observatory of Costa ...

The 1980 eruption cycle made Mount St. Helens one of the most famous volcanoes in the Cascades. But it is far from the only volcano in the range.

Tracking plant changes with satellite data offers a low-cost and natural alternative to traditional volcano warning systems.

In a chilling reminder of nature's devastating power, one of history's most destructive volcanoes has reawakened. Mount Pelée, the infamous volcano that completely obliterated the town of Saint-Pierre ...

Using satellites to monitor trees around volcanoes would give scientists earlier insights into more volcanoes and offer earlier warnings of future eruptions. “There’s not one signal from volcanoes ...

It's been 45 years since Mount St. Helens erupted, which is why the month of May is recognized as Volcano awareness month in Washington.

Ancient volcanic heat may have shaped the moon from the inside out, keeping one side thinner, warmer and more geologically active than the other, a new study suggests.