After more than a month of unexplained delay, the U.S. Fish and Wildlife Service released endangered Mexican gray wolf Asha, her pups and her mate into the wild Wednesday. “Hopefully at some point ...

Add Yahoo as a preferred source to see more of our stories on Google. A wolf carries a very young pup by its hindquarters in this image caught by a game camera. A new study shows that contrary to long ...

Peak mating season is around Valentine's Day for wolves. A young female traveled 500 miles in search of a mate, from the ...

For thousands of years, wolves occupied a range of North American habitats stretching from Arctic tundra to deserts. Their numbers were drastically reduced by hunting and habitat loss, and it has ...

Get any of our free daily email newsletters — news headlines, opinion, e-edition, obituaries and more. Scientific research has long assumed gray wolves are non-migratory during springtime, staying ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...