A prehistoric hell ant that lived among dinosaurs 113 million years ago had an unusual way to kill its prey and sheds new ...

At more than 110 million years old, a fossil excavated in Brazil is the oldest undisputed ant fossil ever discovered. The finding adds to evidence that the first ants evolved on the supercontinent ...

Therapsids, the ancient relatives of mammals, once roamed Earth in great numbers during the middle to late Permian period.

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