Most climbers learn on rock or at the gym, but 26-year-old American Noah Kane started with trees in Costa Rica, where he spent much of his childhood. He did not climb up the branches as a curious kid ...

You’re enjoying the evening breeze in your California backyard when you notice something dark and scaly slithering up a tree branch, Startled, you take a second look — and catch a glimpse of an ...

On an October day in Plumas National Forest, Alex Lemnah traverses the canopy of an incense cedar nearly 100 feet off the ground, listening carefully for the sound of a branch snapping under his feet.