These are some of the most insightful history books to add to your reading list. "Hands up all who know when Tsarist Russia ...

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

Rich brachiopod fossils dating back 470 million years to the Ordovician period were discovered in Zigui county, Central China’s Hubei Province. Experts suggest these fossils provide evidence for ...

“We also see that layers in sedimentary rocks from this period contain extraordinary amounts of meteorite debris.” Understanding the Ordovician period The Ordovician period happened about 485 to 444 ...

Scientists studying the geology of the Ordovician Period about 466 million years ago report evidence that Earth's ring system created a telltale pattern of impact craters, and it may also explain ...

The End-Ordovician Extinction was the first of the so-called ‘Big Five’ mass extinctions in the history of life on Earth - more than 80% of species in the oceans died out. But could you ...

JL: For the first 56 million years of shark evolution, we've got very little [fossil evidence]. We've only got some scales to start with in the Ordovician period [485 million to 444 million years ...

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.

If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, some scientists say. A study published this month links an uptick in ...

A new study has proposed the hypothesis that 'Earth also had a ring during the Ordovician period , about 488.3 million to 443.7 million years ago.' ...

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 ...