Researchers sequenced the knotty sea spider’s genome for the first time, revealing a missing gene that many other animals ...

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A newly discovered cell helps pythons digest entire skeletons—and might be present in other bone-eating predators, too.

Specialized cells in the intestinal lining of Burmese pythons allows them to completely absorb the skeletons of their prey.

Long before the first dinosaur hatched, Earth's ancient life was already thriving. There were bizarre sea creatures and lumbering plant-eaters that ruled prehistoric landscapes for hundreds of ...

Predatory fish that evolved into the first terrestrial animals on Earth are still revealing insights into the origins of ...