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Earth may have once worn a Saturn-like ring, study suggests

In a recent study published in Earth and Planetary Science Letters, researchers suggest that Earth once had a giant, ...
The Financial Express

Late Ordovician mass extinction: Research looks at new reason for first mass extinction on Earth

Earth’s first mass extinction: When anyone thinks of mass extinction on Earth, the first thing they think of is the extinction of dinosaurs about 66 million years ago, likely as an impact of comet or ...
Popular Science

Fossil trove in Wales is a 462-million-year-old world of wee sea creatures

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The tiny country of Wales on the western coast of Great Britain may ...
JSTOR Daily

A Lower Ordovician Sponge/Algal Facies in the Southern United States and Its Counterparts Elsewhere in North America

Leonard Alberstadt, John E. Repetski, A Lower Ordovician Sponge/Algal Facies in the Southern United States and Its Counterparts Elsewhere in North America, PALAIOS, Vol. 4, No. 3 (Jun., 1989), pp. 225 ...
Science Daily

Giant Trilobites And Trilobite Clusters From The Ordovician Of Portugal

Fossils from 465 million years ago recently discovered in Portugal have revealed the huge size reached by trilobites, the most diverse group of extinct marine arthropods. Geologists describe the ...
JSTOR Daily

Implications of a New Early Ordovician Asteroid (Echinodermata) for the Phylogeny of Asterozoans

This is a preview. Log in through your library . Abstract Eriaster ibexensis n. gen. and sp., from the Ibexian (Lower Ordovician) of Utah, is the oldest-known body-fossil taxon of the class Asteroidea ...