Fossilized fleas dating as far back as 165 million years provide clues of early flea evolution.
Fossilized fleas dating as far back as 165 million years provide clues of early flea evolution.
A team of paleontologists is racing to recover dozens of fossilized whale skeletons from the site of a road building excavation in northern Chile.
Using CT scanning, scientists were able to visualize a tiny mite hitching a ride on a 50-million-year old spider.
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