Scientists from Mexico's National Autonomous University have created the first three-dimensional image of the Popocatépetl ...
Off the coast of British Columbia, nearly a mile beneath the surface, something unexpected is happening. It starts with heat.
POPOCATÉPETL VOLCANO, Mexico (AP) — In the predawn darkness, a team of scientists climbs the slope of Mexico’s Popocatépetl volcano, one of the world’s most active and whose eruption could affect ...