Nevado del Ruiz volcano in Colombia is featured in this image photographed by an Expedition 23 crew member on the International Space Station. The large Nevado del Ruiz volcano (center) is located ...

A volcano often considered to be the most dangerous in the Western Hemisphere is giving experts cause for concern. Over the last month, the Nevado del Ruiz volcano, which stands west of the Colombian ...

BOGOTA, Colombia – Experts say a volcano responsible for causing one of the largest disasters in the Western Hemisphere is showing signs of increased activity, which has forced the Colombian ...

Columns of ash and gas that have billowed from the volcano recently are a sign that it could erupt soon and should not be taken lightly, said a University of Miami marine geoscientist. Hundreds of ...

BOGOTA, Colombia (AP) – Colombian officials have downgraded the alert level for an eruption of the Nevado del Ruiz volcano, and some airports in the area have resumed operations. The volcano in ...