Sometimes familiarity does not breed contempt: A Cornell University behavioral scientist has found that female wolf spiders prefer mates that are comfortably familiar. However, the researcher has ...

New photos of the famous wolf known as OR7, who roamed California for more than a year, confirm that he and his mate are raising at least three pups, not just two. The black and white photos were ...

Wildlife officials are investigating the death of OR-54, a female wolf whose carcass was found in Northern California. By Maria Cramer It had been weeks since biologists at the California Department ...

RENO, Nev. — A young gray wolf’s search for a mate apparently won’t take him to the northern Nevada desert where the annual Burning Man festival is staged. The wolf known as OR-7 came within 15 miles ...

PHOENIX − After her second foray outsid e of the endangered Mexican gray wolf repopulation area, Asha, Arizona’s most adventurous wolf, has been captured, placed in captivity and paired with a male ...

A pregnant Mexican wolf has been released into the wild with her mate in an effort to grow the population. The pair were taken to the Apache-Sitgreaves National Forests on Wednesday. Biologists hope ...