Step into an underground lava cave hike in Arizona, where cool air, dark tunnels, and rugged volcanic walls turn a simple walk into a bucket list adventure.

Volcanic eruptions are significant geologic hazards. Underwater volcanoes are challenging to study, yet they play an integral ...

Woodchuck Lodge in Roxbury preserves the legacy of America's famous nature writer who maintained a simple lifestyle despite his celebrity connections.

Few laws govern backcountry skiing in California. Experts say that people engage in the sport at their own risk, but guides ...