The largest-ever study of dog behavior, tracking more than 47,000 pets, reveals how breed, size, sex, and age shape canine traits. It provides insights that could help identify early signs of illness ...

New research finds a mutation that suggests the more diminutive canines’ DNA dates back to ancient wolves. By James Gorman Big dogs get all the glory. I don’t have a peer-reviewed paper to prove it, ...

Smaller dogs can live up to twice as long as their larger counterparts, research from Eötvös Loránd University in Hungary shows. And yet, this longevity is accompanied by an increased rate of canine ...

It was the lunch break at a dog obedience trial, and a group of competitors had gathered around a notebook computer. One of them had found a website listing the newly-posted national rankings for the ...