Bill Nelson: “All right. Of the material remaining, how do you go about accounting for all of that, of what you're not going to clean…”

It is a real problem, and we are going to have some catastrophic consequences if we cannot get nations that are launching things into space to provide enough fuel to have a controlled reentry.

All of us have a responsibility to protect our home planet. After all, it's the only one we have.

NASA administrator Bill Nelson actually said that he envisions a world where the south pole of the moon is a gas station of sorts for the moon.

It is the research and development that allows this country to move forward.