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

More than 500 million years ago, during what is known as the Cambrian period, the seas and oceans on Earth were filled with a ...

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

Researchers studying ancient rocks from the late Ediacaran period uncovered a fossil evidence that complex animal groups, ...

For decades, scientists have sought to explain the so-called "Cambrian Explosion," a pivotal period over 500 million years ...

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

For more than a century, the Cambrian explosion has served as biology’s big bang: the moment, roughly 538.8 million years ago ...

Scientists discovered that some of Earth’s supposed earliest animal fossils were actually giant ancient microbes.

Remarkably preserved fossils found in southern China offer a fascinating window into what life looked like at the end of the ...

KUNMING — Chinese scientists have discovered well-preserved multicellular animal fossils in Ediacaran strata of eastern Yunnan province, indicating that complex animal communities existed in oceans ...

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 ...