Ten long trips around the sun since I last saw that smile, but only joy and thankfulness that on a tiny world in the vastness, for a couple of moments in the immensity of time,...

And what greater might do we possess as human beings than our capacity to question and to learn?

It takes a fearless, unflinching love and deep humility to accept the universe as it is. The most effective way he knew to accomplish that, the most powerful tool at his disposal, was the scientific...

As I looked out at the glittering waters of the Pacific I was seeing for Carl. He knew that it’s not for any one generation to see the completed picture. That’s the point. The picture...

Science has carried us to the gateway to the universe. And yet our conception of our surroundings remains the disproportionate view of the still-small child. We are spiritually and culturally paralyzed, unable to face the...

The aspirations of democracy are based on the notion of an informed citizenry, capable of making wise decisions. The choices we are asked to make become increasingly complex. They require the longer-term thinking and greater...

If you are searching for sacred knowledge and not just a palliative for your fears, then you will train yourself to be a good skeptic.