These five research-backed insights show why the octopus remains one of the most extraordinary minds in the animal kingdom.

New University of Maryland research suggests that dinosaur parenting strategies helped transform the Mesozoic world, as “latchkey kid dinosaurs” spread into ecological niches their parents left ...

An animal not seen in Ohio in over a century, the fisher, has been spotted on a local wildlife camera. The sighting has raised hopes that the native mammal is naturally returning to the state.

In the animal kingdom, the creatures with the biggest hearts – relative to their size – are often the tiniest among us.