Add Yahoo as a preferred source to see more of our stories on Google. The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China ...

Then came the Cambrian period – nature’s version of a creative explosion. Imagine going from microbial monotony to evolutionary maximalism in what geologists call a “quick minute.” This wasn’t just ...

A newly described species from the Burgess Shale had three eyes, clawed limbs, and a tail full of gills—plus internal organs preserved in stunning detail. Reading time 3 minutes A newly described ...

A wave of new research is forcing paleontologists to reconsider a basic question about life on Earth: when did the first mass ...

Cambrian Period creatures known as sea moths seemed alien because of their additional eye, but a study finds anatomical features more in line with modern animals. An artist’s impression of Mosura ...

Palaeontologists are helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period. Fossils reveal Odaraia had mandibles. Palaeontologists are ...

The scientific wonderers at What If dive into the ancient oceans to see the strange, armored creatures that dominated the world before land animals existed.

Five hundred million years ago, tacos existed. But they weren’t corn or flour; they were the hard-shelled coverings on a now-extinct sea creature, Odaraia alata. According to new research, the ...

Spiders, crabs, and other arthropods evolved from a group of animals that underwent a burst of diversity around 500 million years ago. One fossil site provides an extraordinary glimpse into these ...

At a fossil deposit in Yoho National Park, a 500-million-year-old species had a “taco-shaped” body, researchers said. Sneha Chandrashekar via Unsplash During the Cambrian Explosion, all biological ...

Deep-water creature: The fossil of the Cambrian Period marine arthropod Fuxianhuiid, with gut preserved, discovered in Hunan province in southern China. — Reuters Scientists have unearthed in southern ...