Frozen deep beneath the Yukon's permafrost, small pellets left behind by ancient ground squirrels have preserved a record of life that stretches back hundreds of thousands of years. What appears ...

Ancient squirrel poop provides a snapshot of life during the last ice age. And, how different types of laughter originate in ...

Scientists have reconstructed genomes of woolly mammoths, horses, steppe bison and ground squirrels that roamed the grasslands of the Canadian Arctic as far back as 700,000 years ago using DNA found ...

Squirrel droppings dating back up to 700,000 years have revealed "remarkable" new details about the Arctic's evolutionary history. The dung — preserved for millennia in the deep permafrost of Canada's ...

In Canada's far north, a surprising discovery: fossilized feces of arctic ground squirrels contain DNA from woolly mammoths ...