3 min read The Cambrian period, part of the Paleozoic era ... marine habitats ideal for spawning new life-forms. Nevertheless, the scale of the Cambrian Explosion is likely exaggerated due ...

Earth’s history is filled with incredible milestones, and the emergence of the first animals is one of the most captivating.

Focused on Cambrian fossils, the study reanimates a species long trapped in the pages of forgotten paleontology.

Life was flourishing long before the Cambrian "explosion ... kit enabled an unprecedented period of evolutionary experimentation -- and competition. Many forms seen in the fossil record of ...

This daily feast-and-famine cycle in oxygen availability created an intense physiological challenge for early animals, forcing them to develop adaptations to handle fluctuations in nutrients. For ...

With eyes like searchlights, a mouth of razor-sharp plates, and grasping appendages ready to snatch anything in reach, this ...

Precambrian time covers the vast bulk of the Earth's history, starting with the planet's creation about 4.5 billion years ago and ending with the emergence of complex, multicelled life-forms ...

The fossils here record an explosion of life around 540 million years ago, during the Cambrian period, known as the ... triggered the evolution of more complex forms of life.