Astronaut Scott Kelly's DNA Changed After A Year In Space Mach | NBC News

Watch astronaut Scott Kelly struggle to walk on Earth after a year in space The Verge Google Chr

BEYOND A YEAR IN SPACE | Scott Kelly Returns to Earth | PBS

Astronaut Answers Space Questions From Twitter | Tech Support | WIRED

Scott Kelly w/ Bruce Lamont "Cortez the Killer" 1/4/12

Tim Peake chased through ISS by a "gorilla" | euronews

Are aliens real? Astronaut Scott Kelly answers