What does it take for soft-bodied animals, built to rot not to rock, to persist for 500 million years in the Grand Canyon?

A newfound fossil site in China is teeming with bizarre, primitive species that have never before been found any place on Earth. The bounty of creatures includes a spiny, segmented animal known as a ...

It was as if the fossil was grinning at us at the secrets it had been hiding,” said Dr. Martin Smith, but he remembered the time when a 500-million-year-old riddle all at once became clear.

Grand Canyon fossils in the Bright Angel formation reveal 500M-year-old animals with dual feeding structures, reshaping ...

Beginning around 542 million years ago, a profusion of animals with shells and skeletons began to appear in the fossil record. So many life forms appeared during this time that it is often referred to ...

This early animal behavior changes how we see success in evolution. It wasn’t just about being good on your own; it was about being smart together. These Cambrian groups were the first social networks ...

When did animals originate? Evolutionary theorist Charles Darwin may have speculated about the forms that early animals took, but our research published in the journal Palaeontology answers the animal ...

A research team from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences (NIGPAS) has discovered a new middle Cambrian (5.04 mya) konservat-lagerstätte in the ...

All the major groups of animals appear in the fossil record for the first time around 540-500 million years ago -- an event known as the Cambrian Explosion -- but new research suggests that for most ...

For hundreds of millions of years, the earliest life on Earth mostly took the form of relatively simple organisms. But analysis of the Earth's fossil record shows that there was a remarkable increase ...

If you were to condense the planet’s 4.5-billion-year history into a single calendar year, then sometime from the 18th to the 20th of November, as conventional wisdom would have it, the animal kingdom ...