Learn more about a time period marked by an intense burst of evolution. 3 min read The Cambrian period, part of the Paleozoic era, produced the most intense burst of evolution ever known.

Early Cambrian fossils reveal how a small, shelled animal evolved to deal with attacks from a predator. The finds confirm a popular hypothesis, until now lacking in clear evidence, about what drove ...

A study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record ...

The question of how so many immense changes occurred in such a short time is ... in the fossil record of the Cambrian disappeared without trace. Once the body plans that proved most successful ...

This ancient predator-prey relationship took place 517 million years ago in the ocean that once covered the region of South Australia.

An international research team has made a notable discovery of fossil embryos belonging to Ecdysozoa, a diverse group of ...

It belonged to a more obscure period, inhabited by cryptic, otherworldly creatures that most people don’t realize ever existed. “This is the first time that life got big,” Laflamme told me ...

A new study led by researchers at the American Museum of Natural History presents the oldest known example in the fossil record of an evolutionary arms race.

Imagine traveling back in time ... Cambrian Explosion. It would be like visiting an alien planet! The Blue Planet was in its "insecty invertebrate" phase, producing a vast array of the most ...

A 555-million-year-old fossil found in South Australia provides crucial evidence for the Precambrian origins of Ecdysozoa, which encompasses insects, crustaceans, and nematodes. The discovery of ...

The discovery of Uncus dzaugisi, a 555-million-year-old fossil in South Australia, confirms Precambrian origins for ...

What she did, most importantly, was she broke the 3 million-year time barrier, and the site of Hadar, which is a local name, is very fossil-rich. And it turned out to produce an enormous number of ...