The Jiangchuan Biota indicates that we may have misjudged the Cambrian “explosion” of complex life.

A remarkable fossil discovery in southwest China is rewriting the story of how complex animal life began, showing that many key animal groups appeared millions of years earlier than scientists once ...

Add Yahoo as a preferred source to see more of our stories on Google. Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence ...

A newly discovered glass frog in Ecuador reveals hidden biodiversity. See what makes this прозрачent amphibian so unique and ...

The assemblage suggests that the ancestors of some of today's animal groups may have arisen before the famed Cambrian ...

Add Yahoo as a preferred source to see more of our stories on Google. Arjan Mann with a 3D-printed replica of Tyrannoroter’s skull in the Carboniferous coal forest display at Chicago’s Field Museum.

Bicharracosaurus dionidei, a newly discovered long-necked dinosaur species, is reshaping how scientists understand the ...

A sweeping genetic study of over 150 species reveals that life’s move from water to land was not a single story, but a series ...

Scientists discover the first fossil egg of a mammal ancestor, offering new clues to how Lystrosaurus survived extreme ...

WASHINGTON (AP) — Newly discovered fossils have given scientists their first real glimpse of when Earth made a crucial transition from plants and unrecognizably simple animals to the complex creatures ...

Ancient animal history is extremely difficult to reconstruct, for a number of reasons. Some of the earliest creatures in existence were soft-bodied and microscopic, leaving behind very little evidence ...