The contents of an ancient wolf pup's stomach yields surprising clues into the genetic lineage of extinct species.

Frozen wolf pup stomach tissue produced a complete woolly rhino genome, implying stable genetics right before extinction hit ...

Crucially, the cub also lived around the time the woolly rhino went extinct, giving researchers a rare genetic snapshot from the species' final centuries. If there was a genetic component contributing ...

Little is known about why the woolly rhinoceros went extinct around 14,000 years ago. Scientists have found clues in the frozen remains of an ice age wolf.

Colossal Biosciences has genetically engineered the first dire wolf to live in over 10,000 years. Here's what that means for ...

New DNA research reveals most pet dogs - yes, even the tiny breeds - still carry faint traces of ancient wolf ancestry.