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

with the eventual appearance of the lineages of almost all animals living today. This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the ...

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

The Cambrian Explosion saw an incredible diversity of life emerge, including many major animal groups alive today. Among them were the chordates, to which vertebrates (animals with backbones ...

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 ...

dramatically. It was the time of the Cambrian Explosion, an eruption of life when Earth’s very first animals began appearing in the fossil record — the ancestors of all major animal groups ...

Worminess wasn’t the only factor that brought oblivion to the Ediacarans and triggered the Cambrian explosion—there also were changes in ocean chemistry that allowed animals to acquire hard ...

The evolution of the eye is likely to have been a catalyst for the explosion, initiating an arms race between organisms that were increasingly aware of their surroundings. Now, with access to uniquely ...

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

with the eventual appearance of the lineages of almost all animals living today. This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the ...