Heinerth is a professional underwater explorer, cave diver, and photographer. She's been diving in the most remote parts of Earth's oceans for 35 years. Her trip inside B-15 marked the first time ...

His photos appear frequently in National Geographic ... The technical problem is getting sufficient light inside the cave. The flat-black basalt just sucks up light, and with all the water ...

Scientists have found ancient nail tooth shark fossils deep inside Mammoth Cave in Kentucky, revealing new information about ...

The team there has uncovered a few new parts of the cave, and they actually went inside them. "Everyone says it might be the most explored cave in all of Arizona, and there's there's nothing more ...

The frigid, winter weather has provided the rare opportunity to step inside and explore stunning caves carved under the ice. Melting water from the glacier creates the twisting tunnels as it ...