The death march of a segmented bilaterian animal unearthed from ~550-million-year-old rocks in China shows that the oldest mobile and segmented animals evolved by the Ediacaran Period (635-539 million ...

More than half a billion years ago, a worm-like creature wriggled its last, creating a groove preserved as a fossil that offers new insights into some of the earliest animal movement. The origins of ...

The fossil of a worm that lived 550 million-years-ago may be the earliest known evidence of an animal walking on the Earth's surface, according to a new study. The research, which has been published ...

A fossilized trail of the animal Yilingia spiciformis, dating back 550 million years. The trail was found in China by a team of scientists including Shuhai Xiao of the Virginia Tech College of Science ...

Scientists have discovered the tracks of a worm-like animal that lived and died around 550 million years ago—a key point in the evolution of life on Earth. The creature, which has been named Yilingia ...

Learn about the wide-ranging Ecdysozoa group of animals and how scientists solved the curious case of their nervous systems' structure. With so many elusive creatures occupying the forgotten corners ...

Segmentation, the replication of anatomical structures throughout the body, is found in many animal species. It’s also a huge reason why all those species succeeded, and it comes from a single common ...

Everyone wants to be with their family over the holidays, but spare a thought for a group of orphan fossils that have been separated from their parents since the dawn of animal evolution, over half a ...

A 500-million-year-old fossil offered a rare treasure: the imprint of an animal that literally died in its tracks. By Helen Sullivan More than half a billion years ago, in what is today southern China ...

Everyone wants to be with their family for Christmas, but spare a thought for a group of orphan fossils that have been separated from their parents since the dawn of animal evolution, over half a ...