Scott Kelly: Year in space paves the way for even longer missions

NASA astronaut Scott Kelly gave his first post-flight interviews in Kazakhstan today, after wrapping up a 340-day stay on the International Space Station. Kelly has only been back on Earth for a little over 12 hours now, but the former ISS commander

Astronaut Scott Kelly says that his epic year in space will help fuel longer-term space missions, paving the way for NASA's ambitious plan send humans to Mars. “I think that expanding our envelope and our ability to operate is something that will take

After Scott Kelly spends a year in space, scientists will compare his body to his Earth-bound brother Mark. Now Playing: Scott Kelly: Travel to Mars 'Clearly Doable'. Now Playing: Kelly Twins Talk Latest Space Mission. Now Playing: Astronaut Scott

NASA astronaut Scott Kelly gave his first post-flight interviews in Kazakhstan today, after wrapping up a 340-day stay on the International Space Station. Kelly has only been back on Earth for a little over 12 hours now, but the former ISS commander

The moment NASA astronaut Scott Kelly is pulled from capsule. A Soyuz capsule carrying NASA astronaut Scott Kelly and Russian cosmonauts Mikhail Kornienko and Sergey Volkov lands in Kazakhstan. McDonalds turn Happy Meal boxes into Read More.