Editor’s note: This Q&A has been lightly edited. There are many factors that influence a dog’s lifespan. A dog’s breed and size play a significant role. Smaller dogs (like Yorkies) tend to live longer ...

We asked scientists from the Dog Aging Project for practical tips to improve your dog’s lifespan—from what to feed them to exactly how often they need a walk. Dog owners take their pets for a swim at ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Is your dog a small ...

The UK has long been considered to have some of the strongest animal welfare laws in the world. Beginning with Martin’s act on the cruel treatment of cattle, through to the Animal Welfare Act 2006 and ...