A landmark on Pluto that was previously designated as an impact crater may actually be the caldera of a supervolcano that has exploded in the past few million years, new research suggests. When NASA's ...

POZZUOLI, Italy — In Greek and Roman mythology, the Campi Flegrei volcano is depicted as the opening to the underworld. Its prehistoric eruptions blocked out the sun, turning summer into winter and ...

The caldera may have blasted out its cryomagma in a single explosive event, or it may have spread its eruptions over time. When you purchase through links on our site, we may earn an affiliate ...