Pushing through a painful squeeze in Rumbling Falls Cave in central Tennessee, he broke out onto the lip of emptiness. The beam of his headlamp simply disappeared into the yawning darkness.

I had followed Smith’s career since I started caving as a college student in 1980, and I first met him in 1989 in Mexico, where we had joined the same expedition to a deep cave. In 2002, I accompanied ...

Aside from the technical and logistical challenges of spending days in the cold, wet, and dark, those planning a spelunking expedition also face hazards like falls, cave-ins, hypothermia ...

The Ruby Falls cave tour tapped into my lifelong fascination with caves, which– as a boy– seemed to me so primal and filled ...

Marina stood at the mouth of the Rising Star cave and looked inside. Outside, it was the rainy season in this grassland part of South Africa, home to jackals and porcupines and cobra snakes and ...

Explore Mammoth Cave National Park, the longest cave system on Earth, featuring the richest known habitat for cave wildlife in the world. It may be difficult to think of caves as spacious and grand, ...

When Sergio García-Dils de la Vega kissed his girlfriend, Pilar Orche, goodbye at the entrance to Krubera Cave, he promised to return the next day. But after teammate Bernard Tourte bruised his ...

14,700 years ago, in a cave in Somerset, our ancestors were eating other people. Museum research reveals these Ice Age Britons weren't eating human flesh out of necessity but as part of a ritual. 'The ...

Many recent visitors called the Cave of the Winds a "must-do" when in Niagara Falls. After taking an elevator 175 feet down into the Niagara Gorge, you'll be able to roam a series of wooden ...

"The reports described "felt a weak trembling" and "heard a moderate rumbling sound". A number of earthquakes have hit the area in the past few months. They continued: "This is the largest event ...

The flurry of earthquakes in South Carolina continued Tuesday, as rumbling returned to a part of the state that has experienced lots of seismic activity in the past week. A 1.5 magnitude earthquake ...