3 new astronauts reach ISS days after 3 returned to Earth
Three crew members arrived at the International Space Station on Friday as their Soyuz module successfully docked to the Earth-orbiting laboratory. The trio completed the station's six-member crew as three astronauts returned to Earth last Sunday after 168 days in space. The Expedition 56 crew includes NASA's Serena AuÃ±Ã³n-Chancellor, ESA's Alexander Gerst and Russian cosmonaut Sergey Prokopyev.