Rare fossils found along the Colorado River 'give us a fuller picture of what life was like during the Cambrian period,' says ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Around 540 million years ago, Earth’s life underwent a burst of ...

The most recent 12 percent of time on Earth is a striking anomaly when compared with the great bulk of our planet’s evolution. After 3 billion years or more of Earth as a microbial world, cells found ...

The authors do not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and have disclosed no relevant affiliations beyond their ...

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. The Cambrian ...

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 ...

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 ...

About 518 million years ago, a fierce shrimp-like creature didn't brandish just one "knife," it flashed more than 800 of them; each of its 54 legs had up to 15 dagger-like spines on it, a new study ...

Researchers have found the oldest clue yet of animal life, dating back at least 100 million years before the famous Cambrian explosion of animal fossils. Researchers at the University of California, ...

About 536 million years ago, in the early Cambrian period, an abundance of different species of millimeter-scale marine organisms thrived in continental shelf habitats around the world. Today, their ...