Sasha DiGiulian free-climbed the roughly 3,000-foot sheer granite wall in Yosemite National Park over the course of 23 days.

Getty Images I’m always surprised when an L.A. or San Francisco friend mentions that they haven’t been to Yosemite Valley: We ...

Torn fingertips, frostnip and atmospheric rivers didn’t stop the world-famous climber from finishing an epic ascent on El ...

American climber Sasha DiGiulian has made a free ascent of 'Platinum', also known as 'The Direct Line' on El Capitan in ...

Sasha DiGiulian free-climbed the roughly 3,000-foot sheer granite wall in Yosemite National Park over the course of 23 days.

Inspired by SpaceX’s Super Heavy booster, a team led by Georgia Tech’s Spencer Bryngelson and New York University’s Florian ...

For National Geographic photographers, work assignments can take them anywhere from the sea floor to a summertime Santa Claus camp in Missouri. In the photo seen above, wildlife photographer David ...