How ancient bryozoans may have looked. (Zhifei Zhang) The Cambrian explosion was one of the most dramatic chapters in the ...

Ancient Australian fossils indicate that the earliest eukaryotes depended on oxygen, providing new evidence that oxygen helped enable the evolution of complex life.

Last year, a Stegosaurus nicknamed Apex sold at auction for US $40.5 million. A juvenile Ceratosaurus fetched US $30.5 million just last month. Supporters of these sales argue that they're harmless, ...

More than a million years ago, on a hot savanna teeming with wildlife near the shore of what would someday become Lake Turkana in Kenya, two completely different species of hominins may have passed ...

Beginning with a recently discovered 47-million-year-old primate fossil, Switek effectively and eloquently demonstrates the exponential increase in fossils that have been found since Darwin first ...

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.

In 1859, Charles Darwin’s theory of evolution was postulated in “On the Origin of Species.” In this theory, Darwin suggested that evolution occurred gradually, although there were no complete fossils.

Palaeontologists have found new evidence that the early ancestors of amphibians, reptiles and mammals did not have a larval ...