Add this to the reasons why we need to revisit the moon: it may be the best place to find the earliest evidence of life on Earth. Yes, it sounds perverse, says Ian Crawford of Birkbeck, University of London, but conditions on the lunar surface are much more gentle than those on Earth, so meteorites that blasted off our planet billions of years ago may well still be lying around on the moon.
What no one knew, however, was whether Earth rocks were likely to have survived the impact. To find out, Crawford and colleague Emily Baldwin used…
