Search For "550 million years ago"
World's oldest meal helps unravel mystery of our earliest animal ancestors
Updated : 3 years, 3 months ago IST
The contents of the last meal consumed by the earliest animals known to inhabit Earth more than 550 million years ago has unearthed new clues about the physiology of our earliest animal ancestors, according to scientists from The Australian National University (ANU).
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Study shows Earth's first known mass extinction event 550 million years ag
Updated : 3 years, 4 months ago IST
The earliest morphological traces of life on Earth are often highly controversial, both because non-biological processes can produce relatively similar structures and because such fossils have often been subjected to advanced alteration and metamorphism. Stromatolites, layered organo-sedimen
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