Back when the Earth was crawling with trilobites and other strange shelled creatures, our planet may have had a ring just like Saturn's. This ancient ring system is thought to have formed about 466 ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. The tiny country of Wales on the western coast of Great Britain may ...

A recent study claims that Earth may have once had a ring. The theory would explain the presence of an odd density of impact craters around the equator dating back to the Ordovician period. A ring ...

The Earth has gone through many major events over the course of hundreds of millions of years. Some of the most significant are the six mass extinction events that have occurred. These are times when ...

Here’s something to chew on: a fossilized trilobite from the Ordovician Period, which is so well preserved that a team of paleontologists was able to identify its last meal, now mineralized in the ...

The Ordovician period offers a detailed window into early marine ecosystems and climatic transitions, with palynology and microfossil biostratigraphy serving as key tools in reconstructing these ...

One of Earth's most consequential bursts of biodiversity—a 30-million-year period of explosive evolutionary changes spawning innumerable new species—may have the most modest of creatures to thank for ...

Today, only the largest planets in the solar system have rings, but a new study suggests Earth may have been a ringed planet in the distant past. Scientists studying the geology of the Ordovician ...