Skunks' stripes fade in safer environments, showing how less danger leads to evolutionary changes in warning coloration.

The brains of birds, reptiles, and mammals evolved independently, reveal two recent studies. These findings revolutionize our ...

Some ancient traits were lost and had a major influence on mammal evolution. One of the significant losses among mammal ...

Scientists have discovered a nearly complete skull of a Hyaenodonta, a hypercarnivore that that lived during the Oligocene ...

Researchers in Egypt have found a 30-million-year-old skull of Bastetodon, revealing a powerful predator (Hyaenodonta).

Now a desert, a team of paletontologists were digging through 30 million-year old rock layers called the Fayum Depression for ...

Explore how birds independently developed complex brain circuits, challenging beliefs about brain evolution and ancestry.