The obvious next step is to attempt to estimate some lava tube heights on our neighboring planetary bodies. At least some remote observatories around the moon and Mars should be capable of ...

Collapsed sections of lava tubes, called skylights, could provide access to these subterranean refuges. Does this hole on Mars lead to a larger underground cavern? This image was captured by the ...

As far as scientists can tell, Mars is no longer volcanically active. So there's no risk of these giant volcanoes erupting. But there is a possibility that residual underground lava tubes may ...

11 January 2018, Mountain View, CA –The SETI Institute and the Mars Institute announced today the discovery of small pits in a large crater near the North Pole of the Moon, which may be entrances to ...

Exploration of Mars has revealed the presence of large outflow channels which have been interpreted as the products of catastrophic flood events during which a large quantity of water was released ...