Many aspects of feline health remain a mystery, even to experts. Our cat-owning reporter learned this the hard way.Read More

The vets had no symptoms, and one worked only in states where no dairy infections had been reported.Read More

Here’s what scientists have learned about how a dog’s breed affects its health and behavior.Read More

The animals’ complex songs share structural patterns with human language that may make them easier for whales to learn, a Read More

The cases have spurred new pet food safety rules and poultry surveillance efforts.Read More

Moo Deng the pygmy hippo, Flaco the escaped eagle-owl, Charlotte the maybe-pregnant stingray — they distracted us from the messy human Read More

The agency recommended that the maker of Librela update its label to reflect the possibility of more serious adverse reactions.Read More

Scientists are concerned that the H5N1 virus could set off another human pandemic. But it is already putting species Read More

Behind the scenes at a Chicago zoo, chimpanzees who spent years entertaining humans are learning to befriend their own kind.Read More