These scientists made a mammoth discovery — literally. Remains of a baby mammoth that has been almost perfectly preserved for 50,000 years have been unveiled to the public by researchers in Russia.

On Monday, the North-Eastern Federal University (NEFU) in Yakutsk, Russia, announced the discovery of a remarkably well-preserved mammoth calf carcass estimated to be over 50,000 years old.

Millions of mammoth tusks, perhaps more, are still locked in Siberia’s permafrost, but already they’re becoming harder to find. An ivory carver in the regional capital of Yakutsk turns a tusk ...