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Modern dogs offer a living record of change shaped by proximity to people. Over time, research shows that brains respond to ...

You might believe lions, wolves, or grizzly bears sit comfortably atop the food chain. Yet a growing body of research tells a ...

Animals have evolved to sleep in extreme ways — for example, taking micro naps during parenting, sleeping on the wing during ...

Dogs began diversifying thousands of years earlier than previously believed, with clear differences in size and shape ...