Researchers propose that placozoans, one of the simplest kinds of animals, may contain the blueprint for the neurons of more complex creatures. By Sam Jones For hundreds of millions of years, ...

Ask someone to think of an animal, and chances are they’ll come up with one of our relatives among the mammals. A few people might go further afield and mention other vertebrates, like birds and fish.

An international team of scientists has uncovered a fascinating piece of the evolutionary puzzle: how the ventral nerve cord, a key component of the central nervous system, evolved in ecdysozoan ...

With their quick-change camouflage and high level of intelligence, it’s not surprising that the public and scientific experts alike are fascinated by octopuses. Their abilities to recognize faces, ...