Is there life on Mars? Related stories For example, lava tubes on the moon can be as warm as 63 °F. That's plenty warm enough for life to arise inside. It's unclear if lava tubes on Mars would ...

“I think the soonest would be 2029” when man lands on Mars, according to Musk. Then, over two decades of moving people and supplies to the red planet, a city could arise. “It can be done in ...