Gennady Padalka

Follow astronaut Scott Kelly's 12-month mission on the International Space Station, from launch to landing, as NASA charts the effects of long-duration spaceflight by comparing him to his identical twin on Earth, astronaut Mark Kelly.

YouTube series produced by TV channel Science 2.0 following cosmonaut Mikhail Kornienko on his year-long flight aboard the ISS altogether with a NASA astronaut Scott Kelly; the first ever year-long mission aboard the station.