Popocatépetl, Mexico's largest active volcano, sits next to some major population hubs. With a major eruption forecasted within the next 100 years, will the public be ready?
Two hundred years after the New Madrid quake rocked the U.S., Earthscope, a traveling scan of what lies underneath North America, reveals more about earthquakes and volcanoes.
The ancient Romans of Pompeii were already parboiled when the lava arrived, according to a new investigation with scary implications for modern-day Naples.