On a busy day, up to 1,000 people may hike Franconia Ridge.

Gravity and rock physics say slopes steeper than about 30°—known as the critical threshold angle, or the angle of repose—shouldn't really exist, yet they do. These steep slopes and near-vertical ...

Experience an incredible rock climbing adventure on one of Norway's steep, unforgiving walls. Battling freezing temperatures, ...

I’ll admit it: I’ve been putting off this hike for months. I blamed the warm weather and told myself I didn’t have time for a six-hour trek, but the truth is that I knew El Cajon Mountain was going to ...

The rocks atop steep mountains can break down into soil far quicker than previously thought, new research shows. Given that soil is involved in removing carbon dioxide from the atmosphere, the results ...