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 ...

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 ...

KUNMING -- Chinese scientists have discovered well-preserved multicellular animal fossils in Ediacaran strata of eastern Yunnan, indicating that complex animal communities existed in oceans long ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that life suddenly diversified during the Cambrian explosion ...

If you trace the animal family tree back through the fossil record, the trail usually goes cold about 539 million years ago. Before this boundary—the start of the famous Cambrian explosion—multicelled ...

Tiny structures found in ancient Canadian rocks could be the oldest traces of animal life ever identified, dating back nearly ...

Researchers have recovered more than 700 fossil specimens.

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 ...