Starfishlike brittle stars have five thin arms and no central brain, but even so, they move in a carefully coordinated fashion similar to four-limbed animals (including humans). A new analysis ...

New book by University of Montana biologist examines similarities between human weaponry and animal world, including some armaments that reduce likelihood of battle. Accessibility links.

Only a few humans have ever opted for self-amputation in order to escape from danger, but some animals do it all the time. You probably already know that lizards can shed their tails.

We humans like to think of ourselves as a special bunch, but it turns out we have plenty in common with other animals. Math? A monkey can do it. Tool use? Hey, even birds have mastered that ...

Cephalopods, flies and even humans share genes needed to develop limbs, perhaps provided by a common ancestor. By Carl Zimmer The cuttlefish and its relatives, squid and octopuses, often strike ...

Researchers traced genes found in humans back to some of the earliest multicellular animals to roam Earth. The 555-million-year old fossils belong to oceanic creatures that predate the Cambrian ...