For decades, scientists could not agree on whether to classify the Dickinsonia as an animal or not — until this new study ...

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 stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. But it was not as rapid as an explosion ...

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

Before Ediacaran forms flourished on the planet ... factor that brought oblivion to the Ediacarans and triggered the Cambrian explosion—there also were changes in ocean chemistry that allowed ...

the late Ediacaran–Cambrian (~571 to 485 million years ago), which saw the initial radiation of large and complex multicellular eukaryotes (Ediacara biota) and the diversification of animal phyla ...

The fossils found date back to a geological and evolutionary period known as the Ediacaran–Cambrian transition. This was when the Ediacaran Period, which spanned 94 million years from the end of the ...

This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. But it was not as rapid as an explosion ...