Canadian astronaut Jeremy Hansen has just begun his seven day, sub aquatic  adventure at the bottom of the Atlantic Ocean. The 38 year old from London, Ontario will be leading a crew to explore the ocean floor as part of a simulation to help prepare for future space missions. NEEMO (NASA’s Extreme Environment Mission Operations) …

Dave Williams was just a kid when he made a farsighted commitment that eventually saw him blast off for the international space station. And his boyhood dive training and years of experience in the sport backstop his record setting spacewalks. Text by Dave Williams   My helmet lights reflect …