On Thursday, Russia’s state space corporation Roscosmos said that cosmonauts Oleg Kononenko and Nikolai Chub completed their spacewalk tasks ahead of schedule, returning to the International Space Station (ISS) two hours earlier than planned.  RELATED:  Chinese Tiangong New Manned Mission Up With Success Their spacewalk lasted 4 hours and 36 minutes. During the spacewalk, Kononenko and […]