As I hold out hope that one day someone will invite me to the Twin Lakes Cave — the state’s first and only tour cave now closed to the public — I continue my explorations of the Connecticut cave ...

Larry Mayer is headed out this week on a ship to explore the Channel Islands off the Southern California coast. Well, he’s actually exploring seafloor formations near the islands, looking for evidence ...

Not many people plan explorations around, or even know of, the magical archipelago just off the coast of Wisconsin. Made up of 22 islands, the Apostle Islands are easily the most majestic floating ...

Two billion years ago, the eastern Gabonese region of Lastourville was covered by a vast ocean. But that has long given way to dense forest and dolomite cliffs dotted with caves, within which ...

Bright sun dappled the tall forest canopy, the dirt trail crossing through brushy meadows and over massive fallen logs as it ran above an ancient marble cave. Birds chirped and a warm breeze blew, but ...