The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical, vibrant paradise replete with frolicking shellfish and warm waters ...

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 ...

Once upon a time, Earth may have sported a planetary ring of its very own. The hypothetical ring didn't last long, cosmically speaking – just a few tens of millions of years. But that was long enough ...

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 ...

Interactions between Earth and the solar system have profoundly shaped the planet’s history, influencing evolution and climate. One striking example is the asteroid impact 66 million years ago that ...

Earth’s first mass extinction: When anyone thinks of mass extinction on Earth, the first thing they think of is the extinction of dinosaurs about 66 million years ago, likely as an impact of comet or ...

Boulder, CO, USA - Spanning 44-million years, the Ordovician is a significant chapter in Earth's history. A time of dynamic change among and on the major continents (in a far different configuration ...

Saturn has a ring around it that is mostly made of ice, but it is also known that Jupiter, Uranus, Neptune, and some asteroids have rings other than Saturn. A new study has proposed the hypothesis ...

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 ...