Research tracks 66 million years of mammalian diversity

When trying to understand the present, it's helpful to look to history. New research from the University of Nebraska–Lincoln examined the fossil record going back 66 million years and tracked changes to mammalian ecosystems ...

Life underground suited newly discovered dinosaur, study finds

The age of dinosaurs wasn't conducted solely above ground. A newly discovered ancestor of Thescelosaurus shows evidence that these animals spent at least part of their time in underground burrows. The new species contributes ...

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