Paleontologists have uncovered a 444-million-year-old fossil with remarkably intact soft tissues, such as muscles, ...

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" ...

In place of oxygen, the ocean was full of hydrogen sulfide, which the researchers believe may have caused the organism to ...

Fossils of 444 million-year-old creatures whose bodies were preserved "inside-out" have been discovered in South Africa.

Learn more about the time period that took place 488 to 443 million years ago. 3 min read During the Ordovician period, part of the Paleozoic era, a rich variety of marine life flourished in the ...

Menu Local Geology History, Resources, and Facilities Geologic History of Southwestern Ohio The same forces that cause volcanoes, mountains, and ocean basins also cause climatic changes that have ...

Detail images of fossils from the Ordovician Period outcrop on Anticosti Island, Quebec, Canada. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

Menu Local Geology History, Resources, and Facilities Geologic History of Southwestern Ohio At the Limper Geology Museum, you will be able to explore a large collection of local rock, mineral, and ...

A variety of fossilized plant spores have been found in rocks from Western Australia that date from the early Ordovician era—approximately 480 million years ago. According to a paper published in ...