A new study shows eruptions and wildfires altered the upper atmosphere, yet recent surface warming points elsewhere.

“We demonstrate that in the past, the eruption of large volcanic eruptions situated near the equator caused a collapse of the Atlantic Meridional Overturning Circulation that led to abrupt climate ...

Volcanoes and wildfires can inject millions of tons of gases and aerosol particles into the air, affecting temperatures on a global scale. But picking out the specific impact of individual events ...

Dozens of people have died, hundreds are missing and many more homes were destroyed after separate volcanic eruptions in Hawaii and Guatemala that made headlines worldwide in recent months. And ...