A team of international researchers announced the discovery of a marine reptile closely resembling a swordfish with a 3-foot-long skull that existed more than 100 million years ago. The preserved ...

(CNN) — Hundreds of millions of years ago, jawless fishes swam Earth’s seas, their brains protected on the outside by armored skin, and on the inside by plates made of cartilage. Scientists are still ...

Jan. 18—ALBUQUERQUE — A new species and genus of a toothy prehistoric fish has been discovered in Socorro County. A paper, published in "Contributions from the Museum of Paleontology, University of ...

The skulls of tetrapods had fewer bones than extinct and living fish, limiting their evolution for millions of years, according to a latest study. The skulls of tetrapods had fewer bones than extinct ...

The ancient coelacanth fish is one of the world's oldest and rarest living aquatic species, outliving even the fierce dinosaurs and other animals that have since become extinct. Now, a new study has ...

An illustration of the Devonian-period fish Dunkleosteus at its old presumed length of about 30 feet. A 360 million-year-old sea monster that was once thought to be as big as a bus was actually less ...

A fossilized cranium of an extinct species of stargazer fish was stuffed with tiny fecal pellets known as coprolites, according to a recent paper published in the journal Rivista Italiana di ...

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