Nature is alive in Costa Rica's Arenal Volcano National Park, which is home to two volcanoes, a handful of hot springs, sloths, jaguars, and more.

A provocative new hypothesis suggests that Yosemite Valley was carved by an ancient volcano and a disappearing river, both of which have long since eroded away. Geologists have long debated why ...

Semeru volcano — the tallest volcano on Java at 3,676 meters — erupted on the afternoon of November 19, 2025, with pyroclastic flows racing at high speed more than 8.5 kilometers down its slopes, as ...

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 ...

It was the 38th eruption since the current series began in December 2024. Another spectacular eruption at one of the most active volcanoes in the world has destroyed the live camera volcanologists use ...