Retired astronaut Chris Hadfield chats about the existence of aliens and extraterrestrial life. Hadfield is the first Canadian astronaut to walk in space and the best-selling author of "An ...

When retired Canadian Space Agency astronaut, Chris Hadfield, was aboard the International Space Station for the final time, he made the most of it. From December 2012 to May 2013, Hadfield ...

While the other astronauts are sleeping, Chris Hadfield makes a music video tribute to David Bowie and comes back to Earth a viral sensation. National Corporate funding for NOVA is provided by ...

In this interview with Canadian astronaut Chris Hadfield, he talks about his experiences on board the International Space Station and the importance of protecting your vision. Chris Hadfield ...

Cmr Chris Hadfield was among several high-profile astronauts who contacted the show after watching his appearance. He said Adam was "inspiring" as he was working hard to achieve his dreams.