Whenever American Scott Parazynski went on a Nasa mission into space, he would take every chance to hover by the window, staring at stars, the moon and his home, planet Earth. Having been to space ...

I n March 2009, American Scott Parazynski - a veteran of five Nasa space shuttle missions, including seven spacewalks, who had racked up more than 23 million miles (37 million km) - hung up his ...

Do astronauts drink their urine in space? Yes, says former American astronaut Scott Parazynski, explaining that the urine is purified so it becomes water that is safe to drink. Parazynski ...