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

A fossil discovered near Gulgong in New South Wales, Australia, has offered researchers a detailed look into themelanosomes life of a freshwater fish that lived 15 million years ago. The newly ...

Scientists uncovered a 310-million-year-old fish fossil with a “tongue bite,” teeth on the roof and floor of its mouth that worked like a second jaw. This adaptation, previously thought to have ...

A fossil found by a pair of hikers last year has turned out to be the skull of a huge new species of prehistoric fish that lived around 72 million years ago. The hikers came across the fossil in ...

What do the ginkgo (a tree), the nautilus (a mollusk) and the coelacanth (a fish) all have in common? They don't look alike, and they aren't biologically related, but part of their evolutionary ...

NEW YORK — A big catch of fish fossils in southern China includes the oldest teeth ever found — and may help scientists learn how our aquatic ancestors got their bite. The finds offer new clues about ...

Life reconstruction of Platysomus, with open mouth showing toothplate on the floor of the mouth supported by gill bones. ANN ARBOR—A University of Michigan researcher helped identify the earliest ...