While the Cambrian Explosion kickstarted complex life in a major way some 530 million years, the true timeline of life on ...

Environmental stress in evolution can be reframed as a powerful engine of innovation, not simply a barrier to survival.

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 ...

Scientists until then had believed that the Cambrian explosion was the point when life on Earth opened out, kaboom, like a starburst of wondrous beasts—elaborate and sizable beings (we call them ...

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 ...

Life was flourishing long before the Cambrian "explosion". The question of how so many immense changes occurred in such a short time is one that stirs scientists. Why did many fundamentally ...

Its end caused an alteration of climate that made possible the proliferation of animal life in Cambrian times There is considerable geological evidence for an extensive glaciation some 600 million ...

Since soon after our planet formed, Earth's 4.6 billion-year-long history was dominated by single-celled life. Something ...

Then, at the beginning of the Cambrian Period, life opened its eyes. In the 15 million years that followed the evolution of vision, most of the major animal groups we know today appeared. After ...