Ediacaran sea floor, Namibia, Southwest Africa – 543 million years ago. Credit: Museum of Natural History, University of ...

Find out more about Body Fossils and Trace Fossils. Fossils can be categorized in two basic types: body fossils and trace fossils. Body fossils help scientists learn what plants and animals looked ...

A newly described fossil reveals that leeches are at least 200 million years older than scientists previously thought, and that their earliest ancestors may have feasted not on blood, but on smaller ...

In a hillside in Yunnan province, southwest China, paleontologists have pulled more than 700 fossils from rock that is roughly 554 million years old. The collection, known as the Jiangchuan Biota, ...

Dr. Luis Buatois (Ph.D.) traces a series of hexagons with his finger, following the path carved by tiny organisms millions of years ago that have long since left these unique fossils in their wake. It ...

An Oxford-led team reworked the molecular clock for animal origins and landed on 800 to 700 million years ago, near the start ...

A fossil assemblage from Yunnan province in southwest China is reshaping scientific understanding of how animal life graduated from simple, soft-bodied forms to the complex body plans that dominate ...

Animals seem to appear in the fossil record fairly suddenly, a little over half a billion years ago. Yet rocks can preserve ...

A research team from the Nanjing Institute of Geology and Palaeontology of the Chinese Academy of Sciences has identified a fossil acanthocephalan, Juracanthocephalus, from the 160-million-year-old ...

Fossil teeth reveal that T. rex maintained a body temperature similar to humans, offering new clues about dinosaur metabolism ...

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The fossil leech compared with a modern leech. Double arrows indicate the large caudal sucker used for attachment, single arrows indicate body annulations. A newly described fossil reveals that ...