It wasn’t just a favorite childhood pet, or the fact that she cares deeply for animals, that led Nicole Kleinstreuer to help launch the National Institutes of Health’s initiative to scale back ...

A pet cow named Veronika uses a tool in a surprisingly sophisticated way—possibly because she has been allowed to live her ...

A pet cow named Veronika can scratch her own back with a broom — the first scientifically documented case of tool use in cows ...

Experiments on animals (“in vivo” experiments) have long been the norm for learning about human health and disease, because testing on live animals enables researchers to investigate how chemicals, ...

The U.S. is taking drastic measures to end animal testing, but the move is raising questions and controversy in the medical ...