Tomkins and his team reconstructed an unusual rise in the number of meteorite impacts known as the Ordovician impact spike, ...

Scientists reconstructed 540 million years of sea level changes, showing Earth's oceans rose and fell by hundreds of feet ...

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 ...

A recent study published in the journal Earth and Planetary Science Letters reveals evidence that Earth may have had a ring similar to Saturn’s around 466 million years ago, during the Ordovician ...

A team of Earth scientists affiliated with several institutions in France, working with a colleague from Norway, has developed a model to help explain the advent of the Great Ordovician ...

During the Ordovician period, the concentration of CO2 in the earth's atmosphere was about eight times higher than today. It has been hard to explain why the climate cooled and why the Ordovician ...

Uncovering the secrets behind Earth’s first major mass extinction A team of researchers publish a new study exploring the cause of the Late Ordovician mass extinction. Date: November 1, 2021 ...

Roughly 470 million years ago, Earth experienced a rise in biodiversity known as the Ordovician radiation -- named for the geologic period during which it occurred. Around the same time, Earth was ...

Among them, the Late Ordovician Mass Extinction (LOME) is the earliest of the Phanerozoic, and questions about its causes and dynamics have been a central focus in Earth sciences over the past ...

If you liked the Cambrian Explosion, you’ll love the Ordovician Radiation Life went nuts 450 million years ago, when oxygen levels rose in the seas.