Did you know that the first American astronaut who went to space didn't have a bathroom, so he had to pee in his spacesuit? And did you know that astronauts living in space strap down their sleeping bags and food trays so they don't float away? Life in space is pretty different from life on Earth, and scientists are working on ways for us to spend even more time in space!

Space : the final frontier -- That's out of the world! -- A home in space -- Life on a space station -- Sweet dreams! -- Time to eat! -- Where's the toilet? -- The twin experiment -- Spacewalk, anyone? -- Is anybody out there? -- A pit stop on the moon -- Would you move to Mars? -- Jet pack.