The Paleozoic diet: Why animals eat what they eat

In what is likely the first study to look at how dietary preferences evolved across the animal kingdom, UA researchers looked at more than a million species, going back 800 million years. The team reports several unexpected ...

Now endangered: The very act that protects wildlife

The Trump administration recently announced a proposal that would gut the Endangered Species Act. The news follows in the wake of a report from the United Nations earlier this year that more than 1 million plants and animals ...