EditorialBalto, in 1920, an Alaskan sled dog who led his team on the final leg of the 1925 serum run to Nome, Alaska, delivering diphtheria antitoxin to the city, which had been isolated by snow. (via The New York Times Photo Archives)
EditorialBalto, in 1920, an Alaskan sled dog who led his team on the final leg of the 1925 serum run to Nome, Alaska, delivering diphtheria antitoxin to the city, which had been isolated by snow. (via The New York Times Photo Archives)
EditorialKarina Bernlow of Green Dog Svalbard with one of her sled dogs in Bolterdalen, in the Norwegian archipelago of Svalbard, on April 21, 2022. (Erin Schaff/The New York Times)
EditorialKarina Bernlow of Green Dog Svalbard with one of her sled dogs in Bolterdalen, in the Norwegian archipelago of Svalbard, on April 21, 2022. (Erin Schaff/The New York Times)
EditorialA dog heads to the sleds near Lake Umbagog in southern Maine on Jan. 28, 2022. The sled dogs are selected as much for responsiveness to humans as strength. (Erik Freeland/The New York Times)