Long before Chihuahuas and Labradors filled American homes, the continent was ruled by an entirely different kind of dog, wild, resilient, and unlike anything we know today. Archaeological digs have ...

A prehistoric sea monster never-before-known to man was hunting prey in North America 85 million years ago, fossils found ...

Paleontologists assumed just one dinosaur egg type lay buried in Utah's Cedar Mountain Formation. Then they hit the jackpot.

Texas is home to a large and diverse range of animal species, however some of them are considered rare or infrequently ...

These small, common birds should not be confused with European house sparrows, which are an invasive, non-native species. Chipping sparrows (Spizella passerina) were once one of the most populous ...