The key to solving the mystery of the Viking results is the discovery of perchlorate on the Martian surface in 2008.
The Daily Galaxy on MSN
Did NASA’s Viking missions find life on Mars? New evidence suggests they did!
Fifty years ago, NASA’s Viking missions to Mars made groundbreaking attempts to detect life on the Red Planet. While the missions initially returned negative results, a new study published in the ...
Modern Engineering Marvels on MSN
Did Viking touch Martian life and wipe it out with water?
In 1976, two landers conducted life-detection missions on Mars and received a positive which never fully cleared off. The biology package on the Viking mission was constructed to answer one ...
Dr. Joel S. Levine is a consultant and subject matter expert for the NASA Engineering and Safety Center in the areas of space and planetary environments. Dr. Levine worked for NASA from 1970 to 2011 ...
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