A new look at fossils from the Cambrian Period around 500 million years ago has revealed that some of the earliest animals ...

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

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 ...