Mexico’s Popocatépetl volcano has long drawn attention for its size, constant activity, and glowing plumes of smoke and ash, ...

In the predawn darkness, a dedicated team of scientists has scaled Mexico's Popocatépetl volcano, one of the world’s most active and a potential threat to millions, to unravel the mysteries beneath ...

In the predawn darkness, a dedicated team of scientists has scaled Mexico's Popocatépetl volcano, one of the world’s most active and a potential threat to millions, to unravel the mysteries beneath ...