The largest global assessment of freshwater animals on the IUCN Red List of Threatened Species™ to date has revealed that 24% ...

They’re also one of the world’s largest arthropods, animals with no backbone, external skeletons, and multiple-jointed appendages. In this crab’s case, those appendages are its 10 legs.

Christmas Island, an Australian island in the Indian Ocean, is home to one of the world's coolest natural wonders: the Christmas Island red crab migration. Every year, the island's ~50 million ...