Diversity in algae-eating fish protects coral from toxic seaweed.

Farmers in the Andes use biodiversity as insurance.

A new study identifies a likely ancestor to all placental mammals.

A short-nosed bat bests its nectar-drinking cousin at pollination.

DNA evidence identifies the world’s rarest whale.

City-dwelling coyotes in the United States choose lifelong partners.

A submersible microscope reveals plankton behavior.

As habitats shift, connections are key for climate-sensitive species.

Scientists study underground microbes, seeking cures for disease.

Have black widow spiders lost their bite?