Blood in the clouds. During World War One, the Austrians and Italians fought mountaintop battles unlike any the world had seen.

When elite athletes like three-time Olympic volleyball gold medalist Kerri Walsh and daredevil spaceman Felix Baumgartner are in a slump, they go see sports psychologist Michael Gervais. Sometimes boosting your performance requires sitting on a couch.

With the western United States ablaze, a look back at the fire that killed 19 Granite Mountain Hotshots near Yarnell, Arizona—the highest death toll for firefighters battling a wildfire in this country since 1933. What went wrong?

The Marine Corps prepared Sgt. Tom Whorl for war, but he and his men would learn on their own what war would do to them. Read about Tom and his men in The Living and the Dead.