Animals have evolved crab-like bodies at least five times throughout history, a process known as carcinization.

In Earth's fossil record, soft-bodied organisms like jellyfish rarely stand the test of time. What's more, it's hard for any ...

Did Keanu Reeves open an "Arch Animal Sanctuary" as claimed by several viral posts? No, that's not true: The image used in ...

Discover the largest saltwater crocodiles ever recorded. Would you believe that number one could have grown even bigger?

In the rugged terrain where Mexico and the United States meet, a border wall is just the latest obstacle fragmenting habitats ...

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...