Interactions between Earth and the solar system have profoundly shaped the planet’s history, influencing evolution and ...

The team's hypothesis calls for a temporary ring around Earth, which would explain why impacts were constrained to a ...

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 ...

Earth may have had a ring made up of a broken asteroid over 400 million years ago, a study finds. The Saturn-like feature ...

Like Saturn, Earth may have also had its ring system circling the planet 466 million years ago. These rings seem to have ...

But first there was a period of biological regrouping following the disastrous climax to the Ordovician. The recovery soon got under way in the oceans as climbing temperatures and rising sea ...

The earliest fossil evidence for sharks or their ancestors are a few scales dating to 450 million years ago, during the Late Ordovician Period. Emma Bernard, a curator of fossil fish at the Museum, ...

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 ...