[/caption] Two Russian cosmonauts and an American astronaut were forced to call off their scheduled departure from the International Space Station because of a failure of the undocking system. Hooks on the space station’s Poisk module docking interface failed to release for the scheduled departure at 9:35 p.m. EDT Thursday, sending astronaut Tracy Caldwell-Dyson and … Continue reading Undocking Problems Delays Soyuz, Station Crew Return to Earth