Learn how a young volcano on Mars stayed active for nine million years and what its changing lava reveals about Mars’ interior.

Scientists in Mexico documented a number of changes inside El Chichón during monitoring between June and December 2025.

ONE of the world’s most dangerous volcanoes is showing unsettling new signs of activity. Scientists from the National ...

Volcanoes don’t always show their activity through huge explosions or lava rivers. In many cases, the changes are quiet and ...

A gigantic bulge in the north rim of the Yellowstone caldera is the latest sign of volcanic activity in the national park. Geologists call this type of bulge “volcanic uplift.” It’s often caused by ...

Each winter, as the temperature drops, water freezes mid-air to create a frozen spectacle. On New York's coldest days, an ice ...

Hawaii's Kilauea volcano has officially erupted for the 41st time since 2024, the U.S. Geological Survey (USGS) said.

Researchers from the National Autonomous University of Mexico (UNAM) recorded rising temperatures, increased gas emissions and unusual sulfur ...

Hidden in the Pacific, two very different volcanoes are forcing scientists to rethink what counts as “biggest.” Tamu Massif, ...

Fluid inclusions in volcanoes are dominantly composed of carbon dioxide. At magmatic temperatures — 2,192 degrees — the density of the carbon dioxide strongly depends on pressure, which is influenced ...

A unique phenomenon appeared in an Upstate New York park as frigid temperatures consumed the Northern Tier of the U.S. and ...

A vast eruption beneath the southwest Pacific Ocean has been confirmed as the largest volcanic event ever recorded on the ...