By studying 140-million-year-old oyster fossils, a joint team of Chinese and international scientists has uncovered clues about Earth’s climate ...

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 ...

An asteroid at the end of the Cretaceous Period ended the dinosaurs, but earlier smaller extinctions dramatically set the ...

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

Using oyster shell fossils records and combined with high-resolution climate simulations ... glacial melt events during the Early Cretaceous period (approximately 139.8 to 132.9 million years ...

Heriot-Watt scientists have discovered giant underwater mud waves buried deep below the Atlantic Ocean, 400 kilometers off ...

Climate modeling and clumped isotopes both revealed that winter temperatures in the Southern Hemisphere's mid-latitudes were ...

The highest trophic niches in Mesozoic oceans were filled by diverse marine reptiles, including ichthyosaurians, plesiosaurians, and thalattosuchians, dominating food webs during the Jurassic and ...

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