When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Fast animals get plenty of attention for their incredible feats of speed. But what about animals ...

Using fossil evidence and genetic dating, geneticists and paleontologists have backed strikingly different candidates for the world's first animal. When you purchase through links on our site, we may ...

Animal-welfare science tries to get inside the minds of a huge range of species — in order to help improve their lives. Credit...Photo Illustration by Zachary Scott Supported by By Bill Wasik and ...