were among the most successful organisms ever to populate Earth. These familiar marine arthropods first arose about 545 million years ago in the early Cambrian and thrived throughout the world's ...

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

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 ...

Meister claimed to have found what appears to be a fossilized human footprint. The Meister Print And The Trilobite Enigma The ...

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 ...

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 ...

All animal evolution for the last half billion years has come from tinkering with these Cambrian body plans. Then, between about 570 and 530 million years ago, another burst of diversification ...

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

The Precambrian encompasses 86 percent of the history of Earth. As its name implies, this includes all of geological time prior to the Cambrian period. Hadean Era (4,550-3,850 mya) The Precambrian ...

About 540 million years ago, our planet suddenly erupted with life, filling our oceans with a diversity of complex life. This is known as the Cambrian ...

Every one of these eyes begins its story in the Cambrian Period, when the evolution of vision triggered an explosion of diversity of life and changed our world forever. Find out how scientists are ...