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50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed today

  • Written by Joel S. Levine, Research Professor of Applied Science, William & Mary
50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings are still discussed todayNASA's Viking landers were the first spacecraft to successfully touch down on the surface of Mars. NASA/JPL-Caltech via AP

Finding life beyond the Earth would be a major scientific discovery with significant implications for all areas of science and human thought. Yet, only one direct search for extraterrestrial life has ever been conducted.

A poster showing the Viking craft parachuting to the Martian surface.The...

Read more: 50 years ago, NASA sent 2 spacecraft to search for life on Mars – the Viking missions’ findings...

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