Researchers uncovered the oldest known salmon species, showing that northern fish have ancient Arctic roots dating back 73 ...

Most people picture the time of dinosaurs as a steamy, tropical world. But during the Late Cretaceous period, northern Alaska ...

The Arctic landscape during the Cretaceous Period may have been dominated by the dinosaurs, but the rivers and streams held something more familiar. Alaska's fresh waters 73 million years ago were ...

"I had to explain to a 26-year-old college graduate who majored in geography that Kentucky is, indeed, a state." ...

Being better able to tolerate cooler temperatures than their rivals, tyrannosaurs grew larger to become the apex predators of the Late Cretaceous. By 68 million years ago, T. rex was 12 metres long ...

A new study based on mathematical modeling weighs in on the fierce debate among paleontologists over the origins of the king ...

Around 70 million years ago, Earth’s largest predators were dominating continents, driven by an extraordinary evolutionary ...

Tyrannosaurus rex evolved in North America, but its direct ancestor came from Asia, crossing a land bridge connecting the ...

A new study suggests that the T. Rex's ancestors may have evolved in North America, contradicting the mainstream evolutionary ...

Tyrannosaurus rex evolved in North America, specifically in Laramidia, the western half of the continent.

The American West is renowned for dinosaur discoveries. But what about the Grand Canyon? The park was once home to some weird ...