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 ...

More than half a billion years ago, strange worms and mollusks teemed in the shallow waters that covered where the Grand Canyon is today. That discovery came after Giovanni Mussini, a paleontologist ...

The Cambrian is rightly famous for being the period when animal life first exploded into a dizzying diversity of forms, including some body plans that remain with us today. But the first animals in ...

Add Yahoo as a preferred source to see more of our stories on Google. Scientists have discovered a new 500-million-year-old arthropod fossil in Canada, challenging the idea that late Cambrian life ...

A newly discovered trove of fossils in southwestern China is shifting the timeline of when complex animals evolved. The diversity and complexity of animal life is thought to have increased rapidly ...

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 ...

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Ctenophores, also known as comb jellies, are a group of over 200 living species of invertebrate animals with a transparent gelatinous body superficially resembling that of a jellyfish. There is much ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. Traces of ancient life have been found in rocks deep inside the Earth's ...