Add Yahoo as a preferred source to see more of our stories on Google. Despite everything I learned, I still had questions: What did fish look like before the ray-finned and lobe-finned split? Were ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. A bizarre and ugly fish that has been around for hundreds of millions ...

If you're reading this sentence, you might have a fish to thank. Fish were the first animals to evolve jaws. They use their jaws primarily to eat, but also for defense, as tools—such as to burrow or ...

Here’s a breathtaking finding: Scientists say they’ve discovered an ancient vestigial lung in the coelacanth, a lobe-finned fish that’s related to the ancient swimmer that went on to evolve into all ...

A research team led by Prof. HE Shunping from the Institute of Hydrobiology (IHB) of the Chinese Academy of Sciences has discovered through genome sequencing that the non-teleost ray-finned ...

A new study adds another layer to the remarkable evolutionary transition of life from water to land on Earth. The international study of the prehistoric 'relic' tetrapods, including salamander and ...

Osteichthyans, or bony fishes, comprise two categories, each containing over 32,000 living species: Sarcopterygii (lobe-finned fishes and tetrapods) and Actinopterygii (ray-finned fishes).