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..
A Feb. 18 briefing at Johnson Space Center previewed a series of U.S. spacewalks to prepare the International Space Station for new..
