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

The Hudson River estuary and its watershed provide habitat to more than 200 species of fish. Different types of walleye, ...

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 ...

The sudden heat altered oceans’ chemical composition, which affected some top aquatic reptilian predators more than some ...

Late Jurassic and Early Cretaceous oceans are known for enormous and fierce predators like pliosaurids with 2-meter-long jaws, toothy thalattosuchia crocodyliforms, and fast, fish-like ...

Long before the carnage began, the Cretaceous picked up where the Jurassic ... long-necked and toothy marine reptiles terrorized fish, ammonites, and mollusks in the seas; pterosaurs and hairy ...

These ancient fish were survivors. In the Late Cretaceous period, the Arctic saw four months of total darkness each year, with mean annual temperatures around 6°C and icy winters. Fossils show ...

Researchers determined the season during which the meteor struck by studying the bones of fish excavated from a contentious field site. Amanda was an associate editor at The Scientist, where she ...

Using the latest in 3D imaging technology, Western University researchers and their collaborators analyzed fossilized fish bones found in Alaska to reveal a previously undiscovered polar ecosystem.