When we explore the vast diversity of the natural world, we naturally rely on our visual senses to categorize and understand the creatures around us. We tend to assume that if two creatures share the ...

Some animals look almost exactly the same at first glance But many of them are actually completely different species Small differences in shape color or behavior reveal the truth Scientists use these ...

Scientists tracking thousands of animals found that our physical presence can reshape where wildlife moves and lives, ...

Some of the most impressive visual performances measured in a new study came from rarely studied, solitary species.

A quartet of researchers from Universidade Estadual de Campinas, Básicas, Universidade de São Paulo, and São Bernardo do Campo, all in Brazil, has conducted a study of the effectiveness of different ...

A human, an octopus, and a coral could hardly look more different—yet deep inside their cells, their chromosomes still carry ...

A new study investigates how different mammals react to climate change. Animals that live for a long time and/or produce less offspring -- like bears and bison -- are more resilient than small animals ...

It's easy to think of pupils as simple holes that widen in the dark and shrink in the light. But if you look across the animal kingdom, you'll see a variety of pupil shapes: vertical slits in cats and ...