Scientists studied the remains of a mysterious human relative called Homo naledi found deep in a South African cave and ...

Fern-like bodies once covered the seafloor, some stretching as tall as a person. Yet for millions of years, the animal world ...

New fossil discoveries are reshaping scientists’ understanding of a pivotal chapter in human evolution, revealing that ...

New evidence published today in the journal Science upends decades of evolutionary theory about when animals first walked on ...

Scientists have long believed that the earliest aquatic animals to move onto land passed through a tadpole-like stage, ...

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

Many animals exhibit fascinating collective behaviors, which allow them to move, search for food, reproduce and avoid threats ...

Researchers have found evidence of a previously unknown branch of the marsupial family tree, a discovery that could reshape our understanding of how Australia's unique mammals evolved. Published in ...

The time has come to reconsider an outdated understanding of human evolution: it was ...

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

Early vertebrates such as myllokunmingids were small and lacked effective defense mechanisms compared to the large predators ...

NEW YORK — Scientists have long posited the earliest water animals to transition to land had amphibious tadpole features, ...