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

How and why the Cambrian explosion occurred has been the subject of debate ever since fossils of this remarkable event were ...

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 ...

A huge and beautifully preserved suite of fossils discovered in China has cast doubt on the idea that complex life flourished dramatically during a rapid burst of evolution known as the Cambrian ...

Life on Earth started some time before 3.5 billion years ago, although it was clearly in no rush to become the vast network of diverse beings that exists today. Traditionally, many scientists ...

KUNMING, April 15 (Xinhua) -- Chinese scientists have discovered well-preserved multicellular animal fossils in Ediacaran strata of eastern Yunnan, indicating that complex animal communities existed ...

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 ...

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 ...

Scientists discover fossils that change what we know about evolution - Scientists have discovered fossils in China that reveal a crucial transition from simple to complex life on Earth ...

CHINA — Goblet-shaped sea jelly relatives with miniature "arms." A plump, legless creature resembling a sausage. Long, wormlike animals tipped with flat "holdfast" discs for anchoring to the seafloor.

Scientists have uncovered the earliest fossil evidence of annelids (ringed worms) in Cambrian microfossils dating back approximately 535 million years ...