Latest Space News: Adorable 3D-printed rovers learn to find blue ball in Mars-like environment Link: https://www.space.com/space-exploration/mars-rovers/adorable-3d-printed-rovers-learn-to-find-blue-ball-in-mars-like-environment Summary: University students tested 3D-printed rovers designed to emulate Europe's Rosalind Franklin ExoMars rover that is slated to launch to the Martian surface by 2028.