Morgan O’Hanlon: As you’re driving through West Texas and through Balmorhea, this kind of big open desert, you get to the Phantom Springs Cave and it’s this tiny little narrow crevice.

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 ...

Archaeologists and cave‑diving specialists have uncovered a prehistoric human skeleton deep within a flooded cave system along Mexico’s Caribbean coast, near ...

Add Yahoo as a preferred source to see more of our stories on Google. An aerial view of the Taam Ja' Blue Hole. Mexico's Taam Ja' Blue Hole is the deepest known underwater sinkhole in the world, ...

I’ve gone diving and snorkeling all over the world. But there’s something about cenotes that never gets old. I’m obsessed. Each one is like its own secret swimming hole. Some look small on the outside ...