Astronotes Armagh Planetarium's Stellar Blog! ... Earth Satellites . ... A bleak Martian Panorama from a Viking spacecraft (Image credit: NASA) . In the last part of this article we saw Mars had once been regarded as a home for life. ... No subsequent NASA Mars probe or rover since has carried any instruments to directly locate Martian life, being focussed on the planetт??s climate and geology. ... Alternately could life from the early Earth seeded Mars? ... The Truth about Life on Mars (part 3) | ...