A surprising diversity of dog shapes and sizes evolved long before the Victorians began making modern breeds Modern dog breeds come in a mind-boggling array of shapes and sizes—from Chihuahua to Great ...

Distinct domestic dog types could have started developing thousands of years before modern breeding, archaeologists find.

From village dogs to toy poodles to mastiffs, dogs come in an astonishing array of shapes, colors and sizes. Today there are ...

Over the last 100 years, dogs have changed dramatically, all thanks to selective breeding. Once valued mainly for their abilities and roles as working companions, today's dogs often show exaggerated ...

For thousands of years, humans have selectively bred dogs to fulfill specific roles, ranging from guarding and hunting to herding and companionship. This deliberate shaping of traits has resulted in ...

Scientists have discovered that dogs may be entering a new wave of domestication, as humans now seek to have companions that are friendlier and calmer. A few decades ago, dogs were seen as animals ...

Recent research uncovers the ancient origins of physical diversity in dogs, dating back at least 11,000 years. Contrary to previous beliefs that selective breeding in recent centuries led to variation ...

How much influence did humans really have on the enormous variety of today’s dog breeds? An analysis of dog skulls from the ...

For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels of radiation affect their health, growth, and evolution. A new study ...

For decades, scientists have studied animals living in or near the Chernobyl Nuclear Power Plant to see how increased levels of radiation affect their health, growth, and evolution. A study analyzed ...