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 ...

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