Not surprised
I think that the science has been clearly leading to this conclusion for some time. What's most important is that it does not appear geochemically possible that extant microbial life exists on the surface today.
Space/Science » in reply to Study Reveals Young Mars Was A Wet World
I think that the science has been clearly leading to this conclusion for some time. What's most important is that it does not appear geochemically possible that extant microbial life exists on the surface today.