"Fishes of the Chicago Region," a guide to fishes of the Chicago region by Francis Veraldi, Stephen Pescitelli and Philip ...

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 ...

Newly discovered species of extinct fish shows striking similarities to unrelated modern-day predators, suggesting certain traits have emerged multiple times and remained consistent over hundreds of ...

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