6d83f16a-d446-4f2a-8c33-25a13b414b5darticlefncfnc/sciencefox-news/science/air-and-space/marsfox-news/science/air-and-space/nasaLeonard David Space.com's Space Insider ColumnistSpace.comTechnology
Life on Mars? 40 years later, Viking Lander scientist still says ‘yes’
NASA’s twin Viking landers touched down on Mars in 1976 to hunt for indications of…