Professor Hoffman is a former NASA astronaut. The following is an edited version of the audio interview. What was the first step you took towards achieving your dream? Prof Hoffman:It never really ...

Jeff Hoffman has floated in the vacuum of space ... with a bounty of oxygen and water to support them. Chris Hadfield, astronaut and David Bowie fan. Credit: National Geographic/Nutopia "You ...

NARRATOR:'Tomorrow is going to be a busy day. This is astronaut Jeff Hoffman. He spent over a thousand hours travelling in space. in a real space rocket. Jeff has come all the way from America.' ...