Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. Sharks' non-bony skeletons were thought to be the ...

The iconic, armored, 14-foot-long Dunkleosteus was something of an "evolutionary oddball,” a new study has revealed.

Today, whale sharks are the largest fish in the sea—growing to nearly the size of a school bus. But these massive cartilaginous critters are not the largest fish to ever glide through the ocean. One ...

Japanese fish experts have identified and clarified the biological name of the world's heaviest bony fish ever caught. The 2,300 kilogram whopper is a Mola alexandrini bump-head sunfish, and not, as ...

To compare and classify a "living fossil," the coelacanth, in relation to a moray eel and a bull shark. Review with students the meaning of the phrase "living fossil" (an organism with a basic body ...

Freelance writer Amanda C. Kooser covers gadgets and tech news with a twist for CNET. When not wallowing in weird gear and iPad apps for cats, she can be found tinkering with her 1956 DeSoto. Talk ...

The remains of a 415-million-year-old fish skull from Siberia — though miniscule in size — offer hints about the origins of all jawed vertebrates, ranging from reptiles to humans, a new study finds.

The first sex on record was a Scottish square dance. By Rachel Feltman Published Feb 14, 2020 7:00 PM EST Get the Popular Science daily newsletter💡 Breakthroughs ...

(CNN) — A giant sunfish believed to be the world’s heaviest bony fish has been discovered in the Azores archipelago, Portugal, weighing a whopping 2,744 kilograms (3 tons). Researchers said the animal ...

Sharks' non-bony skeletons were thought to be the template before bony internal skeletons evolved, but a new fossil discovery suggests otherwise. The discovery of a 410-million-year-old fish fossil ...

Japanese fish experts have identified and clarified the biological name of the world's heaviest bony fish ever caught. The 2,300 kilogram whopper is a Mola alexandrini bump-head sunfish, and not, as ...