While the diversity of physical characteristics in wildlife is readily observable by humans, recent research from Drexel University’s College of Arts and Sciences suggests that there may be even ...

A new analysis of a fossil found in 1889 has unveiled the presence of zeolites—and an entirely new mineralization method.

While it head-butted his theory of natural selection, Darwin emerged with the theory of sexual selection as a way to ...

While there is an astounding variety of physical differences in wildlife that humans can easily observe, new research from ...

Why is this pigeon pink? We break down the mystery — plus, birding experts advise what to do if you see a pink bird that ...

The possession of feathers and other parts of native North American birds without a permit is banned by the Migratory Bird ...