Polar bears are one of the largest mammals on land; only the African elephant can tower over the polar bear in this corner of ...

Time-lapse video shows how a mushroom coral polyp pulses and inflates, flinging its soft body into micro-hops to slowly move itself to a new location.

A new look at fossils from the Cambrian Period around 500 million years ago has revealed that some of the earliest animals spent time on mudflats that were sometimes exposed to the air – a find that c ...