Many creatures have imprinted on our hearts — and even a city sidewalk — for making their homes near ours. Here’s a look back ...

Researchers classify the coelacanth under the group Sarcopterygii, or lobe-finned fishes, which include lungfish and the earliest ancestors of amphibians, reptiles, and mammals. Shared skeletal ...

For decades, scientists believed that acoustic communication evolved separately in different groups of vertebrates.

Nature is full of amazing creatures that evolved in fascinating ways. Sometimes, these evolutionary paths lead to physical features that seem downright baffling at first glance. From body parts that ...