The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...

In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that ...

A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...

ISTOCK / GETTY IMAGES PLUS 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 ...

I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...

Earth may have sported a Saturn-like ring system 466 million years ago, after it captured and wrecked a passing asteroid, a new study suggests. The debris ring, which likely lasted tens of millions of ...

The research published in the journal Earth and Planetary Science Letters examined 21 impact sites across Australia, China, India, North America, Europe and Russia from the Ordovician period.

Artist's impression: Oliver Hull This surprising hypothesis, published today in Earth and Planetary Science Letters, stems from plate tectonic reconstructions for the Ordovician period noting the ...

A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...

Settlement timelines can basically be broken down into three distinct periods: the time before the exchange of contracts the period between the exchange of contracts and settlement settlement day.

LOS ANGELES (KABC) -- Temperatures are staying cool in Southern California on Thursday but the weekend will bring a warmup even as the first official day of fall arrives. Los Angeles and Orange ...