Gathering vision data for hundreds of vertebrates and invertebrates, biologists have deepened scientists' understanding of animal vision, including the colors they see. The researchers determined ...

More than 95% of Australian animals are invertebrates (animals without backbones—spiders, snails, insects, crabs, worms and others). There are at least 300,000 species of invertebrate in ...

Researchers report that the Golgi ribbon, an organelle structure previously thought to be exclusive to vertebrates, is also present in animal taxa, including mollusks, earthworms, and sea urchins.