paddlefish and sturgeon swam in a river that meandered through a flourishing landscape populated by mighty dinosaurs and small mammals at North Dakota’s southwestern corner. Death came from ...

In just a few years, according to this hypothesis, these frigid and sweltering climatic extremes caused the extinction of not just the dinosaurs, but of up to 70 percent of all plants and animals ...

The end of the Cretaceous Period saw one of the most dramatic mass extinctions Earth has ever seen. Find out what brought about the end of the dinosaurs and many other animals too. The fossil record ...

And yet, it turns out that we may have the extinction of the dinosaurs to thank for sophisticates ... family spread in the years following the death of the once-dominant reptiles, suggesting ...

With all of these pieces to the puzzle in hand, the question remains: What role did these phenomena play in the extinction of the dinosaurs? While the answer to this question remains a mystery ...

The huge asteroid that hit Earth and wiped out the dinosaurs 66 million years ago was not alone, scientists have confirmed. A second, smaller space rock smashed into the sea off the coast of West ...

Paleontologists at the University of Uppsala in Sweden studied more than 500 pieces of fossilized dinosaur poop to find out ...

Scientists have found an extraordinary snapshot of the fallout from the asteroid impact that wiped out the dinosaurs 66 million years ago. Excavations in North Dakota reveal fossils of fish and ...