Add Yahoo as a preferred source to see more of our stories on Google. All three of these discoveries came in the last five years — indications that the more scientists test animals, the more they find ...

When news breaks, you need to understand what actually matters — and what to do about it. At Vox, our mission to help you make sense of the world has never been more vital. But we can’t do it on our ...

In the past, many scientists believed that only mammals and birds could feel or think in complex ways. Reptiles, fish, and insects were seen as simple creatures that reacted purely on instinct. But ...

The more we study sentience among nonhuman animals (animals) the more species are added to the sentience arena—the biodiversity of sentience is forever growing—and ethical questions about pain and ...