Vertebrates are animals with a backbone. You are a vertebrate. And now, a researcher has formally described the world’s tiniest vertebrate — a new species of frog.

An extinct ribbonlike sea creature about the size of a human thumb was one of the earliest animals to evolve a precursor of a backbone. Scientists recently identified the animal’s nerve cord by using ...

Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth's shape while they collected food. Experts have used CT scanning techniques to build up the ...

Fans of critters and detective games rejoice. Backbone, a noir detective game featuring fuzzy animals, comes to Windows on June 8. It will be available on Steam, GOG, the Epic Games Store, and the ...