Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson/500px Prime via Getty Images Dogs were the first of any species that ...

State and federal wildlife agencies have fostered 27 captive-born Mexican gray wolf pups into wild dens this spring, the most wolves released in the program to bolster the endangered population’s ...

There's some cautious optimism these days among wildlife experts working to save the critically endangered red wolf. Progress to rebuild the wolf population has been slow, but after several years of ...

An endangered American red wolf born and raised in a Washington state sanctuary and released into the wild earlier this year in North Carolina has fathered a litter of eight pups, doubling the size of ...

Animal care officials hope new rules will put an end to the breeding of wolf-dog hybrids in Pima County. They say the animals inhabit an impossible limbo: too wild to live among humans and too ...