The six-mile-wide asteroid punched a one-way ticket toward extinction for all non-avian dinosaurs. Some 66 million years ...

Known today as the “Black Belt,” the southeastern United States was once covered by an ancient sea—one that continues to ...

Sixty-six million years ago, a marine creature, minding its own business at the bottom of a Cretaceous sea, munched on some sea lilies—then didn’t feel too great. Now, a fossil hunter in ...

Long before the carnage began, the Cretaceous picked up where the Jurassic ... Rays and modern sharks became common. Sea urchins and sea stars (starfish) thrived; coral reefs continued to grow.

"This find is a unique glimpse into the everyday situation in the bottom of the Cretaceous sea - the sea during which the dinosaurs lived," he said. The discovery is also significant for improving ...

"Such a find provides important new knowledge about the relationship between predators and prey and the food chains in the Cretaceous sea." There's a fancy word for fossilized vomit: regurgitalite.

He then brought his find to a museum where it was cleaned and examined by Dutch sea lily expert John Jagt. Researchers dated the fossil animal regurgitate to the end of the Cretaceous era nearly ...

According to some scientists, fossil evidence clearly shows a decline in the number of dinosaur species for several million years leading up to the end of the Cretaceous. Sea Level The presence of ...