Jezero Crater, the 28-mile-wide (45 kilometers) hole in the ground that the Mars 2020 rover will begin exploring in February 2021, has ample deposits of minerals that are good at preserving microfossils here on Earth.
NASA's Life-Hunting Mars 2020 Rover Will Search for Alien Microfossils : Read more
NASA's Life-Hunting Mars 2020 Rover Will Search for Alien Microfossils : Read more