"One Planet is Not Enough": ISS Crew Discusses Human Space Flight & The Galactic Threat
September 23, 2011 • 2:11PM

On Tuesday, September 20, the International Space Station Expedition 30 crew held a news conference at the Johnson Space Center in Houston, Texas. 21st Century Science & Technology magazine was at the Johnson Space Center on Tuesday to ask the astronauts what their thoughts were on the threat of mass extinctions and role of US/Russian cooperation on great projects in that context.