You might know the Cretaceous Period for big animals such as Tyrannosaurus rex and Triceratops, or for being the end of the age of dinosaurs. But what was the world like in the millions of years ...

During this period, oceans formed as land shifted and broke out of one big supercontinent into smaller ones. 3 min read Continents were on the move in the Cretaceous, busy remodeling the shape and ...

An international team of scientists unearthed a remarkable diversity of fossil eggshells in Utah's Cedar Mountain Formation, challenging long-held assumptions about the prehistoric ecosystems of ...

Mixodectes was quite large for a tree-dwelling mammal in North America during the early Paleocene -- the geological epoch that followed the Cretaceous-Paleogene extinction event that killed off ...

Paleontologists have unearthed a surprising variety of dinosaur eggshells in Utah that could completely reshape what we know ...