A small fossil reveals that the largest freshwater fish, Otophysans, emerged in the sea, not in rivers, changing the ...

The fossil is estimated to be about 100 million years old. — -- The skeleton of a 100 million-year-old fish "with an incredibly swordfish-like head and monstrous teeth" has been unearthed in the ...

Queensland is renowned for its fossils of Australia's largest back-boned animals—dinosaurs, of course, like the Jurassic ...

The largest stegosaurus skeleton ever found is expected to fetch millions of dollars at auction in New York next week, likely fueling objections from paleontologists. The fossil, estimated to be ...

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 ...

Researchers in Alberta uncovered a fossil fish that rewrites the evolutionary history of otophysans, which today dominate freshwater ecosystems. The new species, Acronichthys maccognoi, shows early ...

Experts have uncovered the earliest known example of a fish with extra teeth deep inside its mouth—a 310-million-year-old fossilized ray-finned fish that evolved a unique way of devouring prey.

Fossilized fish found in Australia are so well preserved that paleontologists can see what the creatures ate for their last meals roughly 15 million years ago. They described the fish—which belong to ...

PHILADELPHIA — The recent discovery above the Arctic Circle of remarkably well preserved fossils from a new species of ancient fish provides a key marker in the evolutionary transition of fish to ...