A remarkably preserved, mummified reptile from 289 million years ago is rewriting what we know about how animals first ...

Since classifications have existed, wall lizards have been known to exhibit a diversity of throat colors, a phenomenon that ...

A nearly complete 90-million-year-old dinosaur fossil, Alnashetri cerropoliciensis, is turning evolutionary theories upside ...

The evolutionary change in the mode of locomotion is often a major evolutionary event, triggering diversification. Sideways locomotion is a defining feature of true crab ...