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For the past 65 million years, mammals have thrived across nearly every corner of Earth. In this time span, they have shaped ecosystems with their adaptability, diverse behaviors, and interactions ...

Sometimes a cat will leave a dead animal at the door of a house. Why they do it is unknown. While it’s difficult to know the mind of a cat, several suggestions have been made. Cats are ...

For more than 140 years, Mixodectes pungens, a species of small mammal that inhabited western North America in the early Paleocene, was a mystery. What little was known about them had been mostly ...