What's it like to live on the International Space Station?

(CNN)When it comes to business travel, astronauts take the cake. The six space scientists and engineers who live and work in the International Space Station are traveling at a speed of five miles per second -- orbiting Earth once every 92 minutes.

As far as we know, they don't earn frequent flyer miles, but they do get to spend an average of six months living and working with a multinational crew in what's arguably the coolest office in the solar system.
So what exactly is the International Space Station? And what's it like to live and work 250 miles above the Earth?

    A laboratory in the sky