Archaeologists have recently discovered a "surprisingly complex" ancient burial system, complete with animal sacrifices, during a dig in central Germany. The excavation site is near Magdeburg, roughly ...

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, ...

Animals, from worms and sponges to jellyfish and whales, contain anywhere from a few thousand to tens of trillions of nearly genetically identical cells. Depending on the organism, these cells arrange ...