Animals of the Cambrian period went through one of the greatest evolutionary surges in history, known as the Cambrian Explosion. Animals of the Cambrian period likely began as worms or worm-like ...

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

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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 ...

Early animals formed complex ecological communities more than 550 million years ago, setting the evolutionary stage for the Cambrian explosion, according to a new study. Early animals formed complex ...

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

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.

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A treasure trove of exceptionally preserved early animals from more than half a billion years ago has been discovered in the Grand Canyon, one of the natural world's most iconic sites. The rich fossil ...

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 ...