An astrobiologist suggests that NASA's Viking missions in the 1970s may have inadvertently eliminated potential Martian life.
In the vast, arid expanse of the Atacama Desert in northern Chile, researchers have made a groundbreaking discovery: life thriving four meters beneath the surface. Covering 105,000 square kilometers, ...
Astrobiologist Dirk Schulze-Makuch believes that humans may have unintentionally killed life on Mars in the 1970s.
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