TGO /en en Digging deep into the Martian sub-surface to detect signs of life /en/worldwide-space/science-and-space-exploration/magazine/digging-deep-martian-sub-surface-detect While ExoMars Trace Gas Orbiter is sniffing the Martian atmosphere, the ExoMars 2020 Rover will analyse the deepest-ever subsurface soil samples to find any forms of life on the Red Planet. 19 Aug 2019 2728540 /sites/default/files/database/assets/images/2019-08/Exomars_web.jpg