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 ...

MacNeil also showed examples of fossilized plants, including walchia, a type of conifer with needle-like leaves, which is ...

Some creatures made it from the prehistoric era to today. Discover 5 species that have survived since the age of dinosaurs.