This is read by an automated voice. Please report any issues or inconsistencies here. Mexican scientists have created the first three-dimensional map of Popocatépetl’s interior, revealing multiple ...

Add Yahoo as a preferred source to see more of our stories on Google. Marco Calo, left, a geophysicist at the National Autonomous University of Mexico (UNAM), take a break on the slopes of the ...

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 millions of people. Its mission: figure ...

POPOCATÉPETL VOLCANO – 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 millions of ...