Primeval fish that were thought to be "living fossils," largely unchanged since the time of the dinosaurs, are actually evolving dramatically — and they evolved faster when Earth's continents moved ...

The University of Wyoming Geological Museum will host the annual Fossil Fish Festival Saturday, April 20. The event, which is free and open to the public, will take place from 10 a.m.-1 p.m.

A tiny fossil fish from Alberta is forcing scientists to rethink a story that has sat quietly in textbooks for decades. It is a story about how freshwater fish rose to dominance, and how a few bones ...

Long ago, some saltwater fish adapted to freshwater — and in doing so, developed an extraordinary sense of hearing rivaling our own. By examining a 67-million-year-old fossil, researchers from UC ...

(CNN) — Paleontologists have discovered a newly identified fish species in Australia so well-preserved that they could determine its last meal — dating back up to 16 million years to the Miocene Epoch ...

Some extinct species left copious fossil remnants of their existence. Ammonites—an extinct type of cephalopod—are one such example. From the Devonian right up until the Paleocene, wherever ancient ...

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 ...