For most people, scuba diving in Mexico is an exciting vacation adventure. For Fernando Calderon Gutierrez, it’s just another day at the (underwater) office. A postdoctoral research assistant at Texas ...

Foreign divers, including Ivan Karadzic (2nd left) and Erik Brown (3rd right), were part of the extensive rescue operations The rescuers who worked to save the group trapped in a Thai cave were a ...

Sistema Sac Actun is the world's largest underwater cave at 215 miles, a breathtaking labyrinth of nature and history beneath ...

I glance at my guide, Brian Kakuk—one of the world's foremost cave divers. He appears unfazed. My head begins to throb; clearly, I'm unusually sensitive to the toxin. In the epic poem Beowulf ...

"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 group of divers have connected two underwater caverns in eastern Mexico to reveal what is believed to be the biggest flooded cave on the planet, a discovery that could help shed new light on the ...

Our drive to understand the evolutionary history of life on Earth leads us to search for clues deep underground. Cave divers are at the forefront of this research, helping us access some of the ...

(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 ...

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