More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a ...

For more than a century, the Cambrian explosion has served as biology’s big bang: the moment, roughly 538.8 million years ago ...

Researchers studying ancient rocks from the late Ediacaran period uncovered a fossil evidence that complex animal groups, ...

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

Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the ...

The details of how animal life began are a bit murky. Most of the groups familiar today are present in the Cambrian, a period when they rapidly diversified, with familiar features evolving alongside ...

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For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ...

Over half a billion years ago, during the Cambrian geological period, life on Earth started to get a lot more interesting. Thanks to the rise in free oxygen generated mostly by photosynthesizing algae ...

When did animals originate? Evolutionary theorist Charles Darwin may have speculated about the forms that early animals took, but our research published in the journal Palaeontology answers the animal ...