On the day that we do discover that we are not alone, our society may begin to evolve and transform in some incredible and wondrous new ways.

Science is far from a perfect instrument of knowledge. It's just the best we have.

He sought a way to preserve the past. John Hershel was one of the founders of a new form of time travel.... a means to capture light and memories. He actually coined a word for it... photography. When you think about it, photography is a form of time travel. This man is staring at us from across the centuries, a ghost preserved by light.

For years I've been stressing with regard to UFOs that extraordinary claims require extraordinary evidence.

I believe our future depends powerfully on how well we understand this cosmos in which we float, like a mote of dust in the morning sky.

We are made of stellar ash. Our origin and evolution have been tied to distant cosmic events. The exploration of the cosmos is a voyage of self-discovery.

One of the saddest lessons of history is this: If we’ve been bamboozled long enough, we tend to reject any evidence of the bamboozle. We’re no longer interested in finding out the truth. The bamboozle has captured us. It’s simply too painful to acknowledge, even to ourselves, that we’ve been taken. Once you give a charlatan power over you, you almost never get it back.