From mammoths to giant tortoises, a Texas cave discovery is giving scientists a new look at life during the Ice Age.

Around 540 million years ago, the ocean erupted with complex life: Creatures rapidly transformed from simple, soft-bodied, ...

A remarkable assemblage of fossils from China is revealing that animal life diversified in Earth's primordial seas millions ...

Researchers argue that a newly examined specimen found decades ago in Utah provides new clues to the ancestors of ...

A team of international researchers unearthed intricate creatures previously thought to have evolved in a later epoch.

The complete absence of these creatures in later strata suggest they might have vanished in a mass-extinction event that ...

They found remains of animals that have never been uncovered in Central Texas. The fossils hint that the region was warm, ...

A fossil bed in China containing animals up to 554 million years old suggests that we may have to reconsider the idea that life suddenly diversified during the Cambrian explosion ...

A newly discovered fossil site in southwest China has transformed our understanding of how complex animal life emerged on ...

A breakthrough discovery in Utah has revealed a 500-million-year-old chelicera fossil that is the oldest known spider and ...

Did Earth’s major diversification event really happen in one sudden explosion? Our fossil discovery suggests not.

Hundreds of Chinese fossils from the dawn of animal evolution may change how scientists think of this critical period of ...