How can you become an astronaut?

Many women and men have realized their dreams of flying in space. They all began by submitting an application to become an astronaut. Here's how.

8 fun things to do without gravity

The perks that come with spending days without gravity are out of this world! Here are a few things astronauts enjoy about living in space.

A super stellar gallery of galaxies

Our galaxy, the Milky Way, is typical: it has hundreds of billions of stars, enough gas and dust to make billions more stars, and at least ten times as much dark matter as all the stars and gas put together. An...