Credit: NASA/JPL-Caltech
In 2006, Abigail Allwood, then a graduate student studying Earth science at Macquarie University in Sydney, published a paper suggesting that cone-shaped structures in a 3.5-billion-year-old rock formation in Western Australia were biological, the fossilized remains of ancient microorganisms. Not...
NASA Seeks To Answer Age-Old Question: Does Life Exist Beyond Earth? is available to both Aviation Week & Space Technology and AWIN subscribers.
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