Alan Eustace hitched rides from a science balloon to above 100,000 feet for three high dives. His first challenge was persuading his wife to let him freefall from 25 miles up. Perhaps hoping to ...

It was October 24, 2014, and 25 miles above my helicopter, Alan Eustace was floating in the stratosphere, suspended from a balloon the size of a football stadium. Alan is now somewhat famous for ...