Roughly 425 million years ago, in the warm seas over what is now southern China, there lived a metre-long bony fish with jaws ...

Certain species of wasps and frogs share a pain and inflammation peptide similar to one found in vertebrates to help defend against predators—a discovery that contributes to a shifting view of how ...

A fossil from the blustery plains of Patagonia is revising your book on one of the most elusive bands of hunting dinosaurs. The newly discovered dinosaur, Joaquinraptor casali, preyed on the soggy ...

Animals face a constant battle to survive, not just by finding food but by avoiding becoming food themselves. Over millions ...

Animals don't just see the world differently from one another, they experience time itself at dramatically different speeds. That is according to a new study that considered 237 species across the ...

All animals, including humans. experience time at dramatically different speeds, allowing fast-pursuit predators to track ...

Papers presented at the 7th Spring Systematics Symposium of the Field Museum, Chicago, May 1984. Homology, analogy, and the evolution of behavior / George V. Lauder -- Social and unsocial behavior in ...