How Do You Brush Your Teeth in Space? (Video)


The commander of the International Space Station gives a tutorial on how to keep up your good oral hygiene in outer space.

Video: Take a Tour of the International Space Station


Do you know how astronauts sleep? Find out from the Commander.

The 10 at 10


Stanford is your kid’s dream school, all the jobs are in Kentucky, and how to right wrongs.

Sex in Zero Gravity


It may require some gymnastics. But the Journal of Cosmology knows it’s inevitable—and argues that we should be preparing for pregnancy, and even birth, in space and on Mars.