Scientist Says NASA Lander May Have Accidentally Killed Life on Mars

Astrobiologist Dirk Schulze-Makuch from the Technische Universität Berlin in Germany believes that humans may have unintentionally killed all life on Mars in the 1970s. NASA's Viking 1 mission in 1975 saw two spacecraft land on the Red Planet's surface and conduct an experiment involving mixing water and nutrients with collected soil samples. As Space.com reports, […]