Rings are thought to be fairly common in the Solar System ... We are unlikely to find traces of it in space, if it ever ...

The researchers' idea that Earth once had rings comes from reconstructions of Earth's plate tectonics from the Ordovician period—which ran between 485.4 million years and 443.8 million years ago ...

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that Earth may have had a ring system that formed around 466 million years ago, ...

All the latest science news on ordovician period from Phys.org. Find the latest news, advancements, and breakthroughs.

Earth may have had rings like Saturn many, many millenia ago. However, the formation didn’t last long, and it eventually collapsed, falling to the surface of our planet, leaving craters where ...

All the latest science news about ordovician from Phys.org ...

Specifically, the findings support the hypothesis that supernovae could have triggered two of the so-called "big five" mass extinctions: those at the end of the Ordovician Period, some 445 million ...

Vertical decoupling in Late Ordovician anoxia due to reorganization of ocean circulation. Nature Geoscience , 2021; DOI: 10.1038/s41561-021-00843-9 Cite This Page : ...

Soft-bodied fossils from the upper Valongo Formation (Middle Ordovician: Dapingian-Darriwilian) of northern Portugal. The Science of Nature , 2019; 106 (5-6) DOI: 10.1007/s00114-019-1623-z Cite ...