See how dogs were tested to see if they’d protect their owners.

At first glance, cat and dog paws seem very different from human hands and feet. I talked about that with my friend Natasha Hottmann. She’s a veterinarian at Washington State University. She told me ...

Medical experiments on research dogs could be phased out soon — a change that’s based as much on science as ethics. Pressure is coming from within the scientific community as well as from activists, ...