In the predawn darkness, a team of scientists climbs the slope of Mexico's Popocatépetl volcano, one of the world’s most ...

If the theory is proven correct, the consequences could be enormous, spelling a much more risky, explosive future.

Mexico’s Popocatépetl volcano has long drawn attention for its size, constant activity, and glowing plumes of smoke and ash, ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

According to Jennifer Lyn Lewicki, a research geologist at the United States Geological Survey (USGS) California Volcano ...

Nearly a year into Kīlauea’s dramatic summit eruptions, scientists say the volcano is offering a rare, safe, and incredibly ...

A big, messy surprise greeted Yellowstone National Park early Saturday morning, just as winter officially began. At around ...

About 290 miles off the coast of Cannon Beach, Oregon, lies an underwater volcano called Axial Volcano. Axial erupts about once every ten years. Twice in the past year, news outlets have reported that ...

As global temperatures increase because of climate change, glaciers around the world are melting—contributing to rising sea levels, more extreme weather events, and habitat loss for all sorts of ...

According to new research, the active volcano that sits west of Naples has a "tuff" layer about two miles beneath the surface that traps volcanic gases deep below the caldera's floor. When you ...

Yellowstone Caldera Chronicles is a weekly column written by scientists and collaborators of the Yellowstone Volcano Observatory. This week's contribution is from Brandon Schmandt, professor of Earth, ...