A huge treasure trove of ancient DNA from animals including extinct woolly mammoths has been discovered in frozen squirrel faeces in Canada's remote Yukon territory, scientists said. The DNA found ...

When most people think of squirrels, they imagine animals nibbling on seeds, nuts, and berries. However, a new study indicates that some of their ancient relatives consumed a more startling ...

Hundreds of thousands of years ago, deep in the mountains of the Yukon, a ground squirrel pooped. That scat stayed frozen for millenia—until very recently, when researchers thawed it out and realized ...

A sealed vial of sediment pulled from Yukon permafrost does not look like a breakthrough. It looks like dirt until the sequencing results arrive. Inside it, scientists from institutions including ...

The DNA found deep inside sealed-off burrows is between 3,000 and 700,000 years old, offering a rare window into how life has changed over the millennia. As well as DNA from woolly mammoths -- which ...