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.

How does dry cleaning work?

Dry cleaning is easy: bring your sweaters into a shop, and pick them up a couple days later. But how does dry cleaning work?

How do green screens work?

How do green screens work? The resulting images can look incredibly realistic -- so how do they make the magic happen? We'll tell you the secret.