An important distinction between equipment used for caving, climbing, biking, and other outdoor activities is the level of stress that’s generally applied. For instance, while climbing helmets are ...

Exploring a cave can be a fascinating experience as long as it's done smartly and safely. Traditionally known as spelunking in North America, caving requires individuals to be in good health and ...

Every year as young athletes start lifting programs in high schools, there is one common issue with teenage boys and girls: knee caving during weighted and non-weighted squats and lunges. You ...

In the absolute darkness 333 feet beneath Tennessee's Cardwell Mountain, I am belly-crawling through a passage barely wider than my shoulders, headlamp cutting through blackness so complete it seems ...

This story is part of a series. View the other stories here. Mountains aren’t just solid stone. Beneath their austere foundation, spaces wind deep into the earth — places people have long explored.