Of all the bears to come and go during the group’s 23 million year old history, none had a bite more powerful than Agriotherium africanum – a ursid as large as today’s grizzly and polar bears that ...

Standing over 11 feet tall and built for speed, Arctodus wasn’t just the largest bear ever—it was a predator so terrifying, early humans may have fled entire regions to avoid it.

Based on the analysis of fossil teeth, a study shows that short-faced bears (Arctodus simus), the largest carnivores in the Ice Age, became omnivores to survive. Based on the analysis of fossil teeth ...

A grizzly bear (the black dot in the middle of the photo) walking near the treeline in Yellowstone’s Hayden Valley. The quiet of my evening wildlife watching was suddenly broken by a thick Boston ...

Vertebra. Atlas USNM Number PAL641368 Place Allegany County, Maryland, United States, North America Published Name Arctodus pristinus Leidy See more items in Paleogeneral Mammals Terrestrial - ...

MONCKS CORNER — A diver scouring the bottom of the Cooper River found what scientists believe is the fossilized tooth from the largest prehistoric bear to roam North America. When Eric Proulx, an ...