"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Here’s what you’ll learn when you read this story: A 2022 study determined that the plague known as the ...

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 ...

Taal Lake on Luzon Island in the Philippines is a volcanic crater lake with a rare geology of nested islands and water.

(CNN) — The Black Death — one of the deadliest pandemics in human history, estimated to have killed up to half of Europe’s population — might have been set in motion by a volcanic eruption, a new ...

A flea depicted in a digitally colorized microscope image. (CDC/Ken Gage / Smith Collection/Gado/Getty Images) When the Black Death swept through Europe beginning in 1347, the plague wiped out more ...

Deep under the western United States, two of the planet’s largest volcanic systems are quietly reshaping rock and gas. In ...

The recent earthquake swarm near Santorini has brought the topic of volcanoes in Greece back into the spotlight.

Ever wonder what it would look like to be engulfed in a lava fountain as you choke on volcanic ash and burn to death? No? Well, you’re wondering now, aren’t you? Don’t worry, what you’re about to see ...

When referred to as a gas, it means a volatile has transitioned into the vapor phase. The most common gases (or vapor phase volatiles) emitted at the surface are water (H2O), carbon dioxide (CO2), and ...

When the Black Death swept through Europe beginning in 1347, the plague wiped out more than half of the continent’s population, upending societies and interrupting wars. New research suggests that a ...