In an explosive interview with CBS' 60 Minutes, the former chief of the CIA's clandestine service describes waterboarding Sept. 11 mastermind Khalid Sheikh Mohammed. (A Warning: The interview contains some offensive language.)
A private company has unveiled plans to mine precious metals and water from nearby asteroids. Planetary Resources co-founder Eric Anderson discusses the various stages of the mining process and how the excavated minerals could impact future space exploration and innovation on Earth.
He's flown the space shuttle five times, and performed eight spacewalks to service the Hubble telescope. Now astronaut and astrophysicist John Grunsfeld heads up NASA's Science Mission Directorate, where he manages scientific investigations on the home planet--and beyond.