Back in 1976, NASA’s Viking Landers looked for life on Mars and came up empty. Today, a group of scientists is arguing that, on the contrary, we may have definitely found signs of microscopic alien life… but we accidentally killed it. When Viking 1 and 2 touched down on Mars, they ran a series of […] The post Did NASA Find Life on Mars 50 Years Ago and Accidentally Kill It? appeared first on VICE .