A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is ...

A fisher from a small-scale fishery in Honduras hooks a yellowtail snapper—a species of fish that may vary its shape depending on where it's sourced. Claudio Contreras-Koob, International League of ...

The origin of our teeth has been traced back to over 400 million years ago when a mysterious species of fish first developed their prey-catching jaws, and in a study released Thursday, scientists ...