Every morning in Miami, our fieldwork begins the same way. Fresh Cuban coffee and pastelitos—delicious Latin American pastries—fuel our team for another day of evolutionary detective work. Here we're ...

On two islands in the Indian Ocean, the toads just aren’t what they used to be. Less than a century after their introduction by humans, the islands’ toads have shrunk in size by about a third. The ...

James T. Stroud does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...