Astronauts are not superhuman. They lead ordinary lives and have varied personalities.

Weve got to go [back to the moon]. But we dont want to stay too long. ... The ultimate goal is Mars.

America's can-do spirit cast a warm glow across nations and cultures, generating more goodwill and support for our country's ideals and causes than had otherwise been possible.

Russia perhaps is still entertaining the possibility that the moons of Mars might have access to ice or water.

I think it's inevitable that there will be Earthlings establishing a presence on Mars. And I would say that it would certainly take place by 2050 or shortly thereafter.

Sending a couple of guys to the Moon and bringing them back safely? That's a stunt! That's not historic.

Astronauts working for the government will always need to be either pilots or mission specialists. Those who want to be pilots should have military experience - ideally, a test pilot background.