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 ...

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 ...

We are particularly lacking explanations for the Late Devonian and late Ordovician events. No direct evidence is available to implicate supernovae in any of these. Such explosions produce an ...

International scientists have uncovered the oldest known phosphatic stromatoporoid sponge, dating back approximately 480 million years to the Early Ordovician, in South China. Stromatoporoid sponges ...

Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite bombardment known as the Ordovician impact spike. This finding ...