Evidence for ammonite survival into the Paleogene era is solid, a new study confirms, indicating that these ancient mollusks were well positioned to inherit oceans now cleared of competitors. Yet for ...

Where the space rock came from 66 million years ago that crashed and killed the dinosaurs. 66 million years ago a giant space rock crashed into our planet and killed the dinosaurs. In the span of just ...

ONE of the worst days in the history of life on Earth started like any other. Herds of hadrosaurs with huge head crests and duck bills roamed ancient New Mexico for plants to eat, making sure not to ...

Scientists have long believed that RNA may have been the first molecule capable of storing information and evolving, a concept known as the “RNA First” hypothesis.