Learn the Melanie Loop knot in this clear tutorial, featuring a double fisherman variation commonly used in arborist rigging ...

Famed rock climber Alex Honnold has described some of the things that may work against him in his attempt to free climb one ...

Alex Honnold says he needed to know if scaling the Taipei 101 was even possible before he did Netflix’s "Skyscraper Live" special, so he turned to a more traditional way of climbing to find out.

I kind of lost track of space and time,” the American told NBC News' "TODAY" after he climbed the famous skyscraper.