Can high-tech cavemen live on the Moon?
(Aug 1, 2006) Moon caves would make good homes for astronauts and should therefore be mapped out, a space scientist argues. The Moon appears to possess long, cave-like structures called lava tubes that are similar to ones on Earth. They form when the surface of a stream of lava solidifies and the molten rock inside drains away, leaving a hollow tube of rock. Some of the tubes on Earth are big enough to drive a car through, and those on the Moon could be even larger. Read more.
