If you were to look up from Earth some 466 million years ago, you might have seen a gleaming ring stretching across the sky, ...
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 ...
From dinosaur bones to Rookwood pottery, the Museum Center has it all. What's the oldest artifact on display? (Hint: It's ...
Planetary rings don’t last forever, although they do exist for millions of years. The evidence for Earth’s possible ring is ...
This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...
A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact ...
Using reconstructions of plate tectonics from this period, called the Ordovician, the researchers found 21 asteroid impact craters within 30 degrees of the equator despite over 70 percent of Earth ...
This surprising hypothesis, published in Earth and Planetary Science Letters, stems from plate tectonic reconstructions for the Ordovician period noting the positions of 21 asteroid impact craters.
Historic occurrence of over twenty nuggets - each in excess of 10 ounces and attaining up to 2,316 ounces - coincident with ...
This era of intense bombardment, known as the Ordovician impact spike, may have resulted from meteorites falling from the ring rather than flying in from space, which would explain the strange ...
A study published this month links an uptick in impact craters during the Ordovician Period, an era before animals lived on land, to a ring made of asteroid debris that encircled our planet for ...