New research from Purdue University’s College of Veterinary Medicine shows that some breeds of dogs have hidden coat colors – and in some cases, other traits – that have been lurking all along.

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Similar to humans, the presence of green eyes in the canine world is a ...

A dog’s life expectancy and risk of developing serious illnesses have been linked to the color of their coats. Stunning new Australian research from The University of Sydney has probed the health ...