That isn’t usually supposed to happen.

Add Yahoo as a preferred source to see more of our stories on Google. Modern wolves and dogs both descend from an ancient wolf population that lived alongside woolly mammoths and cave bears. Iza Lyson ...

Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...

For the first time, a wolf-dog hybrid has been confirmed in Greece, marking a new twist in the species’ controversial comeback to European landscapes. The hybrid was documented near Thessaloniki by ...

Forbes contributors publish independent expert analyses and insights. I write about biodiversity and the hidden quirks of the natural world. From their wolf ancestors to today’s sweet, loyal ...

Those tiny, fluffy dogs walking down the street may look cute but beware — they probably have some wolf in them. That is the discovery announced on Monday by U.S. scientists, who were surprised to ...