Tracks left by some of the earliest complex animals are giving new insights into how they experienced the world. New research ...

The Ediacaran, an era that ended about 540 million years ago, is considered the prelude to the Cambrian explosion, a period ...

For more than a century, the Cambrian explosion has served as biology’s big bang: the moment, roughly 538.8 million years ago, when complex animal body plans seemingly burst into the fossil record ...

Animal life is extraordinarily diverse and complex, having colonised almost all environments on Earth – from hostile hydrothermal vents in the deep sea to the skies across our continents. But all this ...

Here’s what you’ll learn when you read this story: Scientists believe they’ve deduced why prehistoric Ediacara Biota fossils have remained preserved for millions of years. The fossils of these ...

For decades, scientists have wondered what triggered the sudden "explosion" of complex animal life on Earth. This new hypothesis suggests that the answer isn't found in shells or legs, but in the ...

Advances in imaging techniques reportedly debunks a purported "animal" fossil from long before the Cambrian explosion.

The Cambrian is a geologic period of the Paleozoic Era, spanning approximately 539–485 million years ago, characterized by a major diversification of multicellular life known as the Cambrian explosion ...

Microscopic squiggles found in 890-million-year-old Canadian reef rocks may represent the oldest animal body fossils, ...

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