Bill Nelson: “If the President said, 'We're going to go to Mars,' and he laid out a vision, how do you think the American public would…”

It is critical that NASA remain focused on its core mission.

When we find those, by the way, not only looking for life, we start to understand their development, and we better understand who we are, why we are here, how we got here, and all of this evolution of the cosmos.

This is a watershed moment for planetary defense and all of humanity.

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