Mars once was wet and fertile. It's now bone dry. Something bad happened on Mars. I want to know what happened on Mars so that we may prevent it from happening here on Earth.

If our solar system is not unusual, then there are so many planets in the universe that, for example, they outnumber the sum of all sounds and words ever uttered by every human who has ever lived. To declare that Earth must be the only planet with life in the universe would be inexcusably bigheaded of us.

'Boldly going where hundreds have gone before' does not make headlines.

The Earth is just one place of many that we could hang our hats.

I think I'm misunderstood when I post these comments about films. So here is Kate Winslet sitting on - you know, laying on this plank. This ship is down. She let her boyfriend drown. They didn't even try a second time to get him to float on that with her. So I'm angry by that. I think...

For me, I am driven by two main philosophies, know more today about the world than I knew yesterday. And along the way, lessen the suffering of others. You'd be surprised how far that gets you.

Wanna lose 1200 Calories a month? Drink a liter of ice water a day. You burn the energy just raising the water to body temp.