There are two widely recognized species of wolves — the gray wolf (Canis lupus) and the red wolf (Canis rufus) — with the Ethiopian wolf (Canis simensis) sometimes included. The gray wolf has numerous ...

The eyes may be windows to the soul in humans, but the teeth are the telling feature for the Mexican gray wolf. Wear and tear on a wolf's sharp canine teeth can be used to track age, trauma and ...

Colossal Biosciences says it used novel gene-editing technology to alter gray wolf DNA to breed ... "Our team took DNA from a 13,000 year old tooth and a 72,000 year old skull and made healthy ...

About 25% larger than modern-day gray wolves, dire wolves had thicker, more muscular legs, more powerful shoulders, and a wider head and snout with larger jaws and teeth.

Colossal says it extracted dire wolf DNA from two fossils — a roughly 13,000-year-old tooth found in Ohio and a 72,000-year-old inner ear bone discovered in Idaho.

Scientists say the wolves carry dire wolf genes but are essentially hybrid animals with 99.9% gray wolf ... “Our team took DNA from a 13,000 year old tooth and a 72,000 year old skull and made ...