Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their size possible. A new study overturns that idea, revealing insect flight ...
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300 million years ago, insects were enormous. That stopped – and we’re probably wrong about why
Fossil relatives of dragonflies, known as griffinflies, had wingspans of 70 centimeters (28 inches) 300 million years ago, and they weren’t the era’s only insects that far exceeded their modern ...
Massive insect body size from 300 million years ago may not have been due to high atmospheric oxygen
Comparison of an extinct griffinfly alongside one of the largest living dragonflies, the giant petaltail. (griffinfly credit: Estelle Mayhew, adapted from image by Aldrich Hezekiah. giant petaltail ...
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