Dinosaurs ruled the Mesozoic, but Earth’s early ages - like the Ordovician and Silurian - belonged to stranger things. Think sea scorpions longer than humans and jelly-like organisms that left no ...

Earth's history is marked by devastating mass extinctions, each one reshaping life as we know it. Now, experts warn that ...

Ordovician sea life. (Image credit: Fritz Geller-Grimm / National Museum of Natural History / CC BY-SA 2.5.) /Public Release. This material from the originating organization/author (s) might be of the ...

Article citations More>> Schneider, W. and Salameh, E. (2024) Ordovician Sedimentary Processing and Relating Driving Forces: Jordan, Arabian Plate. Preprint. has been cited by the following article: ...

Beneath your feet would be tiny fragments of trilobites, crinoids, and other critters that lived in a shallow sea, more than 400 million years ago, during the Ordovician Period.

And—according to a study recently published in the journal Earth and Planetary Science Letters —during an era known as the Ordovician period, it may have once had rings. Seriously.

The low sea level and the cold temperature of the water bodies destroyed several habitats. The beginning of the late Ordovician ice age and changes in the water composition may have also contributed ...

But if you're an invertebrate crawling along the sea floor, this thing is like a nightmare — just like predatory features all being pushed out of its throat at you," says Karma Nanglu, a ...

A period of global cooling around 500 million years ago may have triggered Earth’s largest surge in marine biodiversity. The Great Ordovician Biodiversification Event marked a dramatic explosion ...

In the depths of the frozen Antarctic sea, a team of intrepid scientists aboard a research vessel made an astonishing discovery. Within the pitch-black waters, the experts encountered a creature that ...

The exhibit aims to recreate the Late Ordovician Period marine environment and the communities and creatures that thrived in it. It will also focus on the geologic past of Ohio, Indiana and Kentucky.