This story appears in the April 2013 issue of National Geographic magazine. Tusk and Sunset A mammoth’s tusk spikes the Siberian sky on Bolshoy Lyakhovskiy Island. Tusks that are discovered with ...

This story appears in the May 2009 issue of National Geographic magazine. Each new woolly mammoth carcass to emerge from the Siberian permafrost triggers a flurry of speculation about resurrecting ...