Tagged With Scott Kelly

What happens to the human body in space


NASA's 4-year twin experiment gets us closer to Mars than ever before


Living in outer space can cause these 9 weird changes to your body



I asked 8 highly successful people for the most important lessons they have learned in their careers so far


NASA astronaut Scott Kelly on his poor grades in school, his biggest fear when he's away from Earth, and how SpaceX fits into the future of interplanetary travel


NASA astronaut Scott Kelly thinks we should never have all humans on Earth at the same time ever again



NASA sent Scott Kelly to space for a year, and 7% of his genes are now expressed differently than those of his identical twin Mark


NASA astronaut Scott Kelly explains how seeing planet Earth from space changed his perspective on life


Astronaut Scott Kelly: 'I think that China will overtake the US in the space business -- if we allow them to'


Astronaut Scott Kelly was a mediocre student who made a complete transformation thanks to a book he found by accident and a call from his twin brother


8 weird things that happen to your body if you live in space for a year like Scott Kelly


NASA sent one identical twin brother to space for a year and studied how it changed him -- here are the first results



A famous astronaut says his body still hurts after spending a year in space


Why astronaut Scott Kelly grew 2 inches during his year in space


Watch astronaut Scott Kelly's epic journey back to Earth in 60 seconds


Watch Scott Kelly's awesome reaction to landing safely on Earth after his record-breaking time in space



An extreme astronaut just returned safely to Earth -- and scientists can't wait to see him


Mind-blowingly beautiful photos from Astronaut Scott Kelly's record-breaking year in space will make you fall in love with Earth all over again


Very strange things happen to your body if you spend a year in space


Astronaut Scott Kelly is about to return home after his record-shattering stay in space -- here's how to watch live