NASA Space Walkers Outside the International Space Station | Space Live

Astronomers tell us the untold story of man's first space walk and how it very nearly ended in catastrophe and was minutes away from the death of an astronaut. Watch more NASA's Unexplained Files on discovery : https://bit.ly/3qtw8zd | Love Space

You've heard of moonwalking, but space walking is the real deal. Learn a little more about the history of space walks in this week's Space Saturday video! | National Geographic TV