Roughly half a million years ago, a group of armadillo-like mammals, horses, and sloths met their end in a sinkhole in what ...

A new look at fossils from the Cambrian Period around 500 million years ago has revealed that some of the earliest animals spent time on mudflats that were sometimes exposed to the air – a find that c ...

Riley Black’s new book, When the Earth was Green, uses the latest research to envision the ancient worlds of our favorite prehistoric animals.

Modern single-celled holozoa include the most basal living animals and the fossil discovered shows an ... within a multicellular mass—existed in unicellular organisms a billion years ago, some 400 ...

A fossilized animal vomit from 66 million years ago was discovered at the World Heritage Site ' Steuns Klint ' on the island of Zealand in Denmark. Such discoveries are said to provide important ...