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

Contienen ADN antiguo de mamuts, bisontes, caballos y cientos de especies de plantas

A complex ecosystem of woolly mammoths, bison, horses and big cats has been elucidated by studying the faeces of small rodents that probably ate the bigger animals

A researcher in British Columbia recently discovered that ancient squirrel scat can still smell just as fresh today as it did some 700,000 years ago.

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…

A treasure trove of ancient genetic material was stashed away by the rodents before being ‘frozen in time’ by permafrost.

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

A huge treasure trove of ancient DNA from animals including extinct woolly mammoths has been discovered in frozen squirrel feces in Canada's remote Yukon territory, scientists…

Ancient poop left behind by Arctic ground squirrels ended up containing a remarkable array of genetic information, a study says.