The Ediacaran, an era that ended about 540 million years ago, is considered the prelude to the Cambrian explosion, a period ...

New research proposes the Brain-First Hypothesis: the evolution of the brain drove animal diversification during the Cambrian ...

Advances in imaging techniques reportedly debunks a purported "animal" fossil from long before the Cambrian explosion.

Scientists revisiting mysterious 540-million-year-old microfossils from Brazil have overturned a major idea about early ...

Animal life is extraordinarily diverse and complex, having colonised almost all environments on Earth – from hostile hydrothermal vents in the deep sea to the skies across our continents. But all this ...

For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ago when a remarkable diversity of animal life appeared in the fossil record.

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 from the ...

Microscopic squiggles found in 890-million-year-old Canadian reef rocks may represent the oldest animal body fossils, ...

For decades, scientists have wondered what triggered the sudden "explosion" of complex animal life on Earth. This new hypothesis suggests that the answer isn't found in shells or legs, but in the ...