Spacewalking astronauts face a wide variety of temperatures.
In Earth orbit, conditions can be as cold as minus 250 degrees Fahrenheit.
In the sunlight, they can be as hot as 250 degrees.
A spacesuit protects astronauts from those extreme temperatures.
NASA Astronaut Sunita (Suni) Williams gives us the best inside tour of the International Space Station (ISS). How do astronauts..
Enjoy the stunning views of our home planet from the International Space Station (ISS) in this 4K video. See the continents,..
