Sometime before 520 million years ago, animal life began to flourish as never before. The small shells, worms and even sponge-like enigmas of earlier eras suddenly unfolded into a new array of species ...

(CNN) — Paleontologists have discovered remarkable fossils in the Grand Canyon that reveal fresh details about the emergence of complex life half a billion years ago. The newfound remains of fauna ...

Around 530 million years ago, the planet teemed with life after the Cambrian explosion, when most major animal groups we see today started to appear in the fossil record. Most of this abundance was ...

HEFEI, 17 July (BelTA - Xinhua) - Chinese researchers have recently discovered a link between oceanic oxygenation and early animal evolution, shedding new light on the Cambrian Explosion. The Cambrian ...

This animation created for Evolution: "Great Transformations" depicts creatures whose fossils were found at the Burgess Shale. As alien as these creatures seem, they are also surprisingly familiar.

What does it take for soft-bodied animals, built to rot not to rock, to persist for 500 million years in the Grand Canyon? The usual answer in paleontology is simple: take away oxygen, slow decay, and ...

Animal life seemed to explode into a wide variety of new forms in the Cambrian period. Sun et al. (2002). National Science Review. via Wikipedia under CC By 4.0 Sometime before 520 million years ago, ...