After years of preparing for reintroduction, federal agencies go radio silent on plans to transport grizzly bears to the ...

For biologists like Heiko Jansen, grizzly bears offer a fascinating opportunity to analyze seasonal metabolic changes ...

A grizzly bear (not the one pictured ... What to do if you see a bear Bear attacks in the U.S. are rare, according to the National Park Service. In most attacks, bears are trying to defend ...