She's teaching an earth-friendly approach and is so convicted. A lot of people say, 'I'll bend.' Not Jessi.

He enjoys climbing in Pakistan because it has the highest mountains on earth and he likes the Pakistani people.

Once we educate them, they're always teaching in their communities.

Each year we have 30 to 40,000 tons of primitive material from comets and asteroids that lands on Earth, and this is about one particle per square meter per day. So during the course of our seven-year mission, there was more comet dust collected in your backyard than what we're bringing home.

Venus is quite close to Earth, yet so radically different. Why is that ?

It takes 7 1/2 minutes for a signal to get from Earth to the spacecraft and another 7 1/2 minutes to get back. So, we can't joystick this spacecraft like a video game.