Researchers hope the "exquisitely preserved" fossil will cast new light on an enduring mystery in paleontology.

The wind and low-cloud ceiling pushed an estimated 25 million migrating birds directly into high-risk areas, including a ...

Birds are dying in record numbers this autumn by flying full-speed into Big Apple buildings, lured to their deaths by glassy ...

The brains of today's birds facilitate a level of cognitive prowess and behavioral complexity rivaled only by mammals. But ...

Eyare, a two-year-old female western lowland gorilla died at the Wilder Institute/Calgary Zoo Tuesday morning, officials said ...