The calliope hummingbird, North America's smallest bird, migrates through Utah each summer. A banding event on July 19 at Red ...

A rare Triassic fossil site reveals North America's oldest known pterosaur, Eotephradactylus mcintireae, in what was once a ...

The team is "here to stay," no matter what, lead researcher Keith Bowers said, amid federal funding changes for scientific ...

Birds-of-paradise have captivated the planet with their elaborate plumage and idiosyncratic mating dances. Some species ...