Elizabeth Chai Vasarhelyi

Athlete Diana Nyad sets out at 60 to achieve a nearly impossible lifelong dream: to swim from Cuba to Florida across more than 100 miles of open ocean.

The inspirational rise of SpaceX as well as Elon Musk's two-decade effort to resurrect America’s space travel ambitions.

Follow Alex Honnold as he attempts to become the first person to ever free solo climb Yosemite's 3,000 foot high El Capitan wall. With no ropes or safety gear, this would arguably be ...