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 ...

"It was suspected, based on the strong curvature of the massive tusk that Eddie and the team were dealing with a Columbian ...

The tusk was described by auctioneers as "extraordinarily rare and beautiful" An "extraordinarily rare" 10,000-year-old woolly mammoth tusk has sold at auction for £38,500. The 220cm (86.5in ...