Musk envisions ships flying en masse to Mars

On a personal quest to settle Mars, SpaceX founder Elon Musk envisions 1,000 passenger ships flying en masse to the red planet well within the next century, Battlestar Galactica style.

Musk outlined his zealous plan Tuesday to establish a self-sustaining city on Mars, complete with iron foundries and even pizzerias. He wants to make humans a multiplanetary species, and says the best way to do that is to colonize the red planet.

"I think Earth will be a good place for a long time, but the probable lifespan of human civilization will be much greater if we're a multiplanetary species," he said.