If we return to the Moon and decide to stay there, the Moon may offer us a few shortcuts in setting up a safe place to live.

Stalin wasn't the only world leader who was thinking about using the Moon as a springboard for a massive base able to strike anywhere on Earth with devastating consequences.

Technically, no one owns or can lay claim to the Moon. But if we start routinely staying on its surface, the law may need to change.

The Soviet Union really wanted to land on the Moon. And Stalin's plans for what to do if and when they did were very, very dark...