New research reveals that ancient interbreeding between humans and Neanderthals shaped our modern human DNA - especially on the X chromosome.

Humans don’t have a defined mating season like deer or wolves. Here’s how evolution blended biology, culture and social life into year-round intimacy.

Colorado lawmakers advanced legislation Monday that would prohibit pet stores from selling dogs and cats sourced from large-scale commercial breeders, a move sponsors said would shut down the “puppy ...

Barring pet stores from selling commercially-bred dogs, cats and bunnies will cut off the market for irresponsible breeders, advocates say. But critics told House lawmakers at a Tuesday hearing that ...

A new study finds some flat-faced dog breeds face serious breathing risks, expanding concern beyond the most well-known short-muzzled dogs.

You’ve probably heard that purebred dogs aren’t as healthy as mixed breeds. It sounds logical—more genetic diversity should mean fewer inherited problems.

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Critics said the measure doesn’t do enough to tackle the root of the problem with unregulated breeders and that the same ...

A proposal that would create new local restrictions on so-called backyard breeding of cats and dogs is headed … Continued The post ‘Backyard breeding’ crackdown goes before Hempstead board tonight ...

Over the years, minds have been changed when it comes to rescuing and adopting animals instead of purchasing pets.

The frequency of the dog attacks right now is "distressing", says the Association of Professional Dog Trainers.

At the federal level, we have championed reforms to strengthen standards of care under the Animal Welfare Act, increase USDA inspection funding, and advance bipartisan legislation such as the Puppy ...