So this show [Cosmos] does not only operate on you intellectually, because telling you stories of how science works and why it works and what was discovered and why it matters, but combines that with stunning visualizations of the cosmos. This has the chance of affecting you intellectually and emotionally, and as well as even spiritually, because the wonder and awe of the universe are especially potent when presented in this way."

The number of people in the world engaged in this search for catastrophic impactors totals one or two dozen. How long into the future are you willing to protect Homo sapiens on Earth? Before you answer that question, take a detour to Arizona's Meteor Crater during your next vacation.

There are street artists. Street musicians. Street actors. But there are no street physicists. A little known secret is that a physicist is one of the most employable people in the marketplace - a physicist is a trained problem solver.

In this 21st century, bedtime doesn't matter at all. All that matters is what you set for your DVR [Digital Video Recorder].

In the end, it's the people who are curious who change the world.

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

God is an ever-receding pocket of scientific ignorance that's getting smaller and smaller and smaller as time moves on.