Many major groups of animals that have become a mainstay in modern times first appeared during the Cambrian Explosion.

The Cambrian explosion, long hailed as one of the most significant events in the history of life on Earth, has now been ...

Fossils offer a glimpse into Earth's ancient life, revealing the origins and evolution of complex organisms. Discoveries like ...

The Cambrian Explosion: For most of the nearly 4 billion years that life has existed on Earth, evolution produced little beyond bacteria, plankton, and multi-celled algae.But beginning about 600 ...

Thanks to being rapidly entombed in volcanic ash – in a “Pompeii-like” process – Cambrian-age trilobites’ anatomy is more discernable than ever, via exquisitely preserved fossils.

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 ...

Study co-author Dr. Martin Smith, of the Department of Earth Sciences, Durham University, said, "We tend to think of the 'Cambrian explosion' as a unique period in evolutionary history, in which ...

Most tunicates hatch as swimming, tadpole-like creatures, but eventually attach to the ocean floor and lead a sessile lifestyle. [Related: Fossil trove in Wales is a 462-million-year-old world of ...

A bizarre fossil of a Cambrian creature that looked like an “alien fish taco” reveals how a single group with jaws came to account for around 90 percent of all animal species on Earth ...