New fossil discoveries are reshaping scientists’ understanding of a pivotal chapter in human evolution, revealing that several human ancestor lineages lived side by side nearly 3 million years ago.

Anacondas have been among the largest snakes for millions of years, according to fossil evidence from South America. A ...

A new study combining genomic analyses and fossil evidence sheds light on the century-old "Palaeoptera Problem," a ...

The sudden appearance of complex animals has led scientists to argue that animals must have a “hidden history”, a period in ...

What may have looked like a cross between a platypus and a beaverlike rodent and lived around 120 million years ago?

Add Yahoo as a preferred source to see more of our stories on Google. Dr. Emily Mitchell at Mistaken Point, Newfoundland, Canada. Her research suggests clone-based reproduction kept early animals ...

A predecessor of modern mammals that lived in the Jurassic has been found in China with its throat anatomy preserved, ...

Ediacaran sea floor, Namibia, Southwest Africa – 543 million years ago. Credit: Museum of Natural History, University of ...

A new analysis of exceptional fossil sites in China and Mongolia suggests the earliest animals could have evolved up to 200 ...

A delicate, innocuous little fossil from the reptile known as Mirasaura grauvogeli – “Grauvogel’s wonder reptile” – is forcing a rethink about the evolution of skin and its appendages such as feathers ...

A delicate, innocuous little fossil reptile known as Mirasaura grauvogeli – “Grauvogel’s wonder reptile” – is forcing a rethink about the evolution of skin and its appendages such as feathers and hair ...