Tommy Caldwell and Kevin Jorgeson began scaling the vertical wall nearly three weeks ago.
Just as the Dawn Wall had once been considered too difficult to free-climb, the future of the sport lies in what today seems unfathomable.
On Oct. 4, sailors will set out for the 12th round-the-world edition of the Volvo Ocean Race. Here’s an inside look into how the yachts were designed and how the sailors will compete until the finale in June.
Rare gases boost blood cells and mimic the effects of altitude.
Pilots fly up to 230 miles per hour just above motor-speedway courses in the the Red Bull Air Race, which resumes in September.
With no muscles in our fingers or toes, how come humans are able to climb every mountain? Or, climb some of them anyway!
Against a beautiful French Polynesian backdrop, the world's top surfers took to the water in search of waves that could make them champions.
The sixth year of the Red Bull Cliff Diving World Series stops in the U.S. this weekend at a new site: Divers will launch from a platform on the precipice of Hell's Gate in Possum Kingdom Lake, Texas. See photos from previous competitions.
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