If aliens did visit us, I'd be embarrassed to tell them we still dig fossil fuels from the ground as a source of energy.

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.

Companies want to innovate. Companies that don't innovate wither on the vine. The connection between STEM fields (science, technology, engineering, and mathematics) and the financial stability of a nation is what needs to established.

We need to look at NASA, not as a handout, but as an investment.

Curiosity is missing. Curiosity in particular is something that the system, not only the educational system but, the parental... what you do as a parent at home.

Modern science is under no obligation to satisfy the expectations of your five senses.

If there's something that someone else can do, let them do it. If I couldn't do it uniquely, let someone else do it and I would get back to the lab.