A newly developed timeline of early animal fossils suggests a relationship between sea level fluctuations, variations in marine oxygen, and the appearance of the earliest ancestors of present-day animals.
According to new research led by researchers with the National Museums of Kenya, Liverpool John Moores University, the Cleveland Museum of Natural History, and the Smithsonian's National Museum of Natural History, early human ancestors used some of the oldest stone tools ever discovered to b
Scientists have solved a decades-long mystery as to why ancient tetrapods - amphibian-like creatures that lived over 300 million years ago - preserved in one of Ireland's most important fossil sites seemingly had their bones cooked after they died.