19 Oct 2017

Japan discovers tunnel on moon

From Morning Report, 8:52 am on 19 October 2017

The Japanese Space Agency says Japan's lunar orbiter has discovered a tunnel on the moon that could be used to shield astronauts while they build an exploration base. The agency, known as Jaxa, says a cave originally identified several years ago is in fact a long 50km underground cavity. New Scientist's Rowan Hooper tells us what the discovery means.