These familiar marine arthropods first arose about 545 million years ago in the early Cambrian and thrived throughout the world's oceans until they were wiped out in the Permian extinctions about ...

In a recent paper, Darroch and his co-authors (led by James Schiffbauer, and including Laflamme) have called this early Cambrian time the “Wormworld.” It was no place for Ediacarans.

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 ...

These fossils, dated to approximately 535 million years ago, were found in the early Cambrian Kuanchuanpu biota in southern Shaanxi Province, China. The research, led by Professor Zhang Huaqiao ...

Patches of photosensitive cells were probably common long before the Cambrian, allowing early animals to detect light and sense what direction it was coming from. Such rudimentary visual organs ...

Among the many fossilized stars is a 26-meter-long Mamenchisaurus jingyanensis, a gigantic herbivore that lived around 150 million years ago and had one of the longest necks of its species. It is ...