Many people do not like the idea that time has a beginning, probably because it smacks of divine intervention.

Our only chance of long-term survival is not to remain lurking on planet Earth, but to spread out into space.

We've created life in our own image.

So Einstein was wrong when he said, "God does not play dice." Consideration of black holes suggests, not only that God does play dice, but that he sometimes confuses us by throwing them where they can't be seen.

Life would be tragic if it weren't funny.

Scientists tend to risk theories they admire

All of my life, I have been fascinated by the big questions that face us, and have tried to find scientific answers to them. If, like me, you have looked at the stars, and tried to make sense of what you see, you too have started to wonder what makes the universe exist.