life on Mars »
‘Strongest evidence yet to there being life on Mars’
Prof John Parnell, 55, has co-written a theory with Dr Joseph Michalski, a planetary geologist at the Natural History Museum, that suggests they have discovered the best signs of life in the huge McLaughlin
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‘It’s 99% certain there is life on Mars’: Shock finding as scientists re-analyse soil samples from Seventies Viking lander
In July 1976, the Viking 1 probe touched down on Mars and failed to find traces of life - but now, three decades later, scientists think the experiment was flawed. VIking 1 did find evidence
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