The most complete bear ever recovered from Siberia’s frozen ground looks less like a fossil and more like a sleeping animal caught mid-breath. Fur, skin, even internal organs have survived in the ...

Bears look like textbook mammals, but hidden in their evolutionary history are two dramatic departures from the standard blueprint of growth and adaptation. For the first time, scientists have ...

There was once a prehistoric bear whose existence shaped the entire fate of North America. Without it, massive predators, rival species, and environmental pressures could have pushed the continent’s ...