New studies of canine genetics shed light on the diversity of dogs and our longstanding, still-evolving relationship to them.

Kelly Sites jokes that Charley will “always be a grumpy old man" but he's grown so much since being given a second chance.

There can be some unique mixes when it comes to our canine companions, and this pit bull and Chihuahua mix is no exception!

New research led by scientists at the American Museum of Natural History and the Smithsonian's National Museum of Natural History reveals that the majority of dogs living today have low but detectable ...

Their new study, published in PNAS, examined 2,693 genomes from modern and ancient dogs and wolves. It shows that 64% of dog ...

Truckers lift nationwide blockades after reaching deal; Jisu Fortune arrives in Mexico with more than 5,000 vehicles from ...

This Chihuahua puppy is absolutely hilarious, turning a robot vacuum into her own personal chauffeur that takes her around the house without lifting a paw.

Watch as the puppy charges into the backyard, barking at a raccoon trying to sneak into the chicken coop for a free meal. At ...

The region of the Americas loses measles elimination as outbreaks surge in Canada, Mexico, and the US, forcing urgent calls for restored coverage, surveillance, and rapid response.

ABC News' Danny New shares the heartwarming story of how a viral social media clip helped Nacho the chihuahua find his forever home.

As farmers shut down highways and blocked truck access to U.S. ports of entry for a second consecutive day, the President of ...

A study found people vastly underestimate the environmental impact of pet ownership. But does that mean we should give up our ...