On their first dive of the day, the divers descended to approximately 130 feet and Heinerth noticed a warning sign which, in ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Until now, only a handful of scientists have ventured into blue holes, but in the summer and fall of 2009, a multidisciplinary cave-diving and scientific ... dramatically, a sign that its owner ...

They have participated in a number of cave diving rescue operations, including in Norway, France and Mexico. Dr Harris, from Adelaide in Australia, has decades of diving experience. He was the one ...

(This program is no longer available for streaming.) Follow a fearless team of scientists as they venture into blue holes—underwater caves that formed during the last ice age, when sea level ...

"He is brilliant with children, and he would have made sure that they were prepared in the best possible way from a cave-diving perspective," she said. "He would have been the perfect person to ...

A series of underwater caves off the southern coast of Sicily holds clues about Ice Age-era human migration. A team of ‘citizen scientists’ — including a tugboat captain and both recreational and ...

Importance: These caves contain evidence of how Mediterranean Sea levels have changed over time. Dive category: This is an advanced cave dive and should only be attempted with thorough training ...

As a child, Jill Heinerth used to be afraid of being alone in the dark. "I used to have to swallow a lump in my throat to go down the basement stairs because the light switch was at the bottom of ...

NEW: Will Lewis, the C.E.O. of The Washington Post, issues a statement saying Jeff Bezos "was not sent, did not read and did ...

There is no sign these mysterious people remain in the modern gene pool. The stunning discoveries recently made in northern Mexico's Chiquihuite Cave raise more questions than they answer.