cave diving
The Geomicrobiologist Searching for the Origins of Life
Penn State professor and geomicrobiologist-slash-astrobiologist Jenn Macalady is answering how we and other organisms could survive on other planets, by looking deep into Earth’s history.
The World’s Biggest Underwater Cave Is Full of Maya Bones and Artifacts
Mexico’s San Actun cave system contains pottery, bones of extinct giant sloths, and a 9,000-year-old human skull.
Place Yourself in the Diver's Seat in This Underwater Cave Immersion
An underwater cave diving video by Norwegian filmmaker Jonas Pedersen completely immerses the viewer.
Cave Diving in the Nullarbor Is Like Floating in Space
How a rogue community of divers mapped thousands of water-filled caves in the Australian desert.
Watch a Diver Explore What Might Be the World’s Deepest Underwater Cave
Hranická Propast is already almost as deep as the Empire State Building—and measurements aren’t yet complete.
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