Millions of people around the world live near one of the roughly 1,500 active volcanoes on Earth—from Italy’s Campi Flegrei to Indonesia’s Merapi to the United States’ Mount Rainier.

Photograph by VIKEN KANTARCI, AFP/Getty Images “Just in context of the past three years on the Reykjanes Peninsula, it is pretty mind-blowing,” says Tom Winder, a volcano seismologist at the ...

Firefighters remove vehicle from Rome landmark. An elderly motorist was stopped by Rome police as he drove down a long stretch of the Spanish Steps in the early hours of Tuesday morning. The driver, ...