Initially believed to be a cold, arid grassland, the stretch more resembled the modern-day Yukon-Kuskokwim floodplain.

To many casual onlookers, the Iditarod is a weird curiosity. The famed sled-dog race, which begins this year on March 1, tasks mushers with trekking roughly 1,000 miles across the snowy Alaskan ...

This year is the 100th anniversary of the dog mushing relay that carried the diphtheria serum to Nome during a raging storm.

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