Colombia marks 40 years since deadliest volcano eruption in a century

Aerial view of the aftermath of the Armero Tragedy. Credit: The U.S. National Archives. On November 13, 1985, residents of the Colombian town of...

Nevado del Ruiz: Armero on my mind

Colombia’s largest volcano Nevado del Ruiz could be about to blow. We look back at a previous eruption that buried a town and 23,000 of its...