By Alex Wolinsky Read more »
Sally Ride, America's first female astronaut to enter space, died yesterday at the age of only 61. She had been fighting pancreatic cancer. Read more »
John Yoo vs. Garry Wills, SETI's Jill Tarter, geoengineering, Timothy Ferris, Mark Halperin & John Heilemann, and much more in this issue of The Commonwealth magazine.