On Sunday’s episode of The Excerpt podcast: Hidden beneath Earth’s surface are caverns and pathways that hold the secrets of our planet’s very beginnings. Even after decades of exploration, there are ...

Cave diving combines the thrill of scuba diving and with the excitement of exploring a cave; it’s a challenging activity even for experienced explorers. At these four sites — some of the most popular ...

Brett Hemphill, a noted diver, died while exploring Phantom Springs Cave in Texas, officials say. Screengrab from Facebook post by Karst Underwater Research. A renowned diver recently died while ...

The Veryovkina Cave was the deepest-known cave on Earth, and experts stumbled upon it before daring to attempt a dangerous mapping of the depth.

The idea of disappearing into some of the world’s deepest pockets submerged in pitch black water, with only the sound of ...

The Hranicka Abyss is at least 1,325 feet deep, and likely goes down further. — -- A team of explorers believe they have discovered the deepest known underwater cavern the world in eastern Czech ...

The film shows Harris taking his ninth expedition to a remote cave called the Pearse Resurgence in New Zealand’s South Island ...