I think we need to move to the moons of Mars and learn how to control robots that are on the surface. It's not the impatient way of getting there, but Mars has been there a long time.

America can take man to the moon, and America can take men to Mars - and beyond.

A hybrid human-robot mission to investigate an asteroid affords a realistic opportunity to demonstrate new technological capabilities for future deep-space travel and to test spacecraft for long-duration spaceflight.

Landing in the ocean and waiting for the Navy to come alongside and haul you out of the drink is what space capsules require. And after the capsule is recovered, it would take weeks for the ship to return to port.

The biggest benefit of Apollo was the inspiration it gave to a growing generation to get into science and aerospace.

Unfortunately, kids are led to believe things are easier to achieve than they really are.