Like no other science, astrophysics cross-pollinate s the expertise of chemists, biologists, geologists and physicists, all to discover the past, present, and future of the cosmos-and our humble place within it.

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

The universe's destiny has very little to do with the near-term destiny of Earth.

I don't need my name anywhere.

I don't require that the main guest [of StarTalk] have any science knowledge or background at all. It's just, I have a conversation with them, it's long and winding, and we find out what parts of what we learn about the person lend themselves to further scientific discussion with an expert who is brought into the studio. So that's how that comes together.

I love being wrong because that means in that instant, I learned something new that day.

Merry Christmas to all. A Pagan holiday (BC) becomes a Religious holiday (AD). Which then becomes a Shopping holiday (USA).