In fact, I think it was the philosopher Hume who argued that it's far more likely that a miracle is a new physical phenomenon that we have yet to discover and have now discovered in that moment than it is a spiritual force coming down from God making something happen in front of you.

Once you've got the makings of a star, gravity draws leftover gas and dust into a giant swirling disk. The dust continues to stick together, clumping into rocky asteroids, which eventually become orbiting rocky planets. And voila: a solar system!

Private enterprise can never lead a space frontier. It's not possible because a space frontier is expensive, it has unknown risks and it has unquantified risks.

Whether or not you can become great at something, you can always become better.

The only accounting we had of the origins and the structure of nature was Biblical Genesis.

You know, dark matter matters.

I think if everyone had the luxury to pursue a life of exactly what they love, we would all be ranked as visionaries and brilliant.