ILULISSAT, Greenland — When Stella Davidsen Olsen was 12 years old, her father presented her and her twin sister with a choice. Her family owned sled dogs, which can be expensive and a lot of work.

She didn’t. But a lot of people talked about this as the mushers did their work. Greenland’s national dog sled race in Sisimiut, Greenland, on Saturday. Video by Maya Tekeli ...

To explore the ancient origins of this sled dog, Feuerborn, Hansen and their colleagues sampled DNA from 92 Qimmit, analyzing each dog’s genome — its full set of genetic instructions.

ILULISSAT, Greenland — When Stella Davidsen Olsen was 12 years old, her father presented her and her twin sister with a choice. Her family owned sled dogs, which can be expensive and a lot of work.

Stella Davidsen Olsen, a musher in Greenland, helps guide her sled dogs to turn around and head back home. Updated March 07, 2025 at 07:00 AM ET ILULISSAT, Greenland — When Stella Davidsen Olsen was ...