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

Then came the Cambrian period – nature’s version of a creative explosion. Imagine going from microbial monotony to evolutionary maximalism in what geologists call a “quick minute.” This wasn’t just ...

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 ...

Opabinia: The Strangest Creature of the Cambrian Opabinia regalis is one of the most bizarre animals ever discovered. Living around 505 million years ago during the Cambrian Explosion, it looked like ...

Here’s what you’ll learn when you read this story: Most of these fossilized animals are ancestors of modern invertebrates, including modern starfish, but a few among them count as ancient ancestors of ...

New research proposes the Brain-First Hypothesis: the evolution of the brain drove animal diversification during the Cambrian ...

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 ...