Lava tubes, like this one in Hawaii, could exist on the moon.
George Rose/Getty Images
- Scientists have the most convincing evidence yet of an underground cave on the moon.
- The large cave could be a safe, warm place for astronauts to work and live on the moon.
- The researchers want to use radar technology to identify even more caves under the lunar surface.
In the ongoing effort to establish a permanent lunar base where humans can live and work on the moon...