With no gravitational force to work against, your body not only doesn't need the same amount of muscle and bone, it starts breaking them down. As on Earth, so in space: use it or lose it. And exercise may not solve the problem.

The good thing about science is that it's true whether or not you believe in it.

Whenever people have used religious documents to make accurate predictions about our base knowledge of the physical world, they have been famously wrong.

Jesus Christ rose up from the tomb. Well, he's the son of God, and now he's like God's spirit at this point. Why would a spirit need to move a rock? Why not just pass through the rock? But also, why wait for the guards to go to sleep?

Speaking as just simply an American who cares about the economic health of our country, I see one of the surest ways to bring wealth and prosperity to the country is to innovate in science and technology.

I believe that the manned space program can engage the public by advancing the space frontier. Every next mission takes you farther out in space than you were before, either technologically or in terms of distance.

What are you doing? Why are you concerning yourself with the meaning of meaning?