A new look at fossils from the Cambrian Period around 500 million years ago has revealed that some of the earliest animals ...

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 ...

Some of the best information about early animals comes from fossils dating back to the Cambrian period, which started around 541 million years ago. During this time, Earth experienced a burst of ...

Researchers think there are now around 7.7 million animal species living on Earth, with thousands more discovered every year.

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 ...

Some animals could likely tell the difference between light and dark, but they never knew whether that looming shadow was a friend or foe. Then, at the beginning of the Cambrian Period, life opened ...