A previously unknown muskrat-sized mammal species that once roamed this area when the Intermountain West looked more like a swampland millions of years ago has been discovered through a serendipitous ...

‘It is amazing to imagine these giant flying squirrels gliding over rhinos and mastodons living in the forests of Tennessee.’ By Andrew Paul Published Feb 26, 2025 3:02 PM EST Get the Popular Science ...

Named for its razor-like teeth, Novaculadon mirabilis came from a rodent-like order that outlived the dinosaur extinction before vanishing about 30 million years ago. By Sara Novak Around 145 million ...

In the ancient rock formations of Greenland, the tiny tooth of a never-before-seen species was discovered. mahlersilvan via Unsplash Hundreds of millions of years ago, a lake lined with coarse ...

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