A wolf pup sealed in Siberian permafrost carried a surprise more revealing than a museum label. Inside its stomach, scientists found woolly rhinoceros muscle and hair preserved intact, then used that ...

Timothy Neal Coulson does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations ...

Here’s what you’ll learn when you read this story: Over a decade ago, a pair of Siberian wolf pups were pulled from the permafrost near the village of Tumat in northeast Siberia. One pup had its final ...