Those who see the cosmic perspective as a depressing outlook, they really need to reassess how they think about the world. Because when I look up in the universe, I know I'm small but I'm also big. I'm big because I'm connected to the universe and the universe is connected to me.

The iron from that meteorite and the iron from your blood have common origin in the core of a star.

One of the most significant events in our distant past is still perhaps the greatest mystery: the origins of life itself.

Plenty of people get excited about the universe.

On Friday the 13th, April 2029, an asteroid large enough to fill the Rose Bowl as though it were an egg cup will fly so close to Earth that it will dip below the altitude of our communication satellites. We did not name this asteroid Bambi. Instead, we named it Apophis, after the Egyptian god of darkness and death.

In the first year of a child's life we teach them to walk and talk. And then for the rest of their lives we want them to sit down and be quiet.

As they are currently practiced, there is no common ground between science and religion... Although just as in hostage negotiations, it's probably best to keep both sides talking to each other.