Humans could soon live INSIDE the moon and Mars in giant underground tunnels carved out by volcanoes Prison Planet.com Posted on September 26, 2017 Posted in Aggregated No Comments Tagged with Sci Tech Daily Mail | The first colonists on the moon and Mars could live in underground caves created by volcanic activity, according to new research. Share this:Share Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Share on LinkedIn (Opens in new window) LinkedIn Email a link to a friend (Opens in new window) Email