How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...

Dear Critter Corner: Why do so many animals have trouble being around small children? There are several reasons why young children and animals tend to be a volatile combination. One reason is that ...

Simple animal life may have existed in Earth’s oceans 890 million years ago, according to new research. Recently discovered fossils belonging to ancient sponges might be the earliest known remnants of ...

Legend has it that physicist Ernest Rutherford once dismissed all sciences other than physics as mere “stamp collecting.” (Whether he actually said it is a matter of some debate.) But we now live in ...

We're going to take a closer look at brains, how animals use them, and how some animals have even evolved to lose them! It turns out a brain (and intelligence more broadly) isn't easy to define, but ...

Learn how newly discovered Ediacaran fossils are pushing the origins of animals back millions of years before the Cambrian explosion.

New research in fruit flies elucidates how the genes that direct animal body shape work. Vaclav Hykes/EyeEm via Getty Images Why do human look like humans, rather than like chimps? Although we share ...