Scott Kelly
Welcome home, Scott Kelly: Canada’s spacemen greet a record-breaker
After a #YearInSpace—340 days, to precise—on the International Space Station, Scott Kelly is back on Earth with Mikhail Kornienko
One giant peek into mankind: What’s inside an astronaut?
A groundbreaking genetic study of twin NASA astronauts Mark and Scott Kelly may teach us as much about the human body as about space