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NASA discovers 'clearest sign of life' yet
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Analysis
· 12h
The significance of Mars rover's latest discovery
This week, NASA said scientists took the biggest step yet toward discovering whether there was ever life on Mars when a rock sample collected by the Mars rover Perseverance contained potential biosign...
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· 12h
Potential signs of ancient life found in Mars rock sampled by Perseverance
The appearance of the 'leopard spots', along with the iron and phosphate found in the dark material in their borders, was very familiar.
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