Earth may have had a Saturn-like ring system long ago, created from the debris of a passing asteroid that our planet tore ...

Earth may briefly have had a ring system similar to Saturn ’s over 450 million years ago during a period of unusually intense ...

A huge 75-foot-tall square boulder deep in Wyoming’s Bighorn Mountains has been baffling people since it was discovered.

Ancient artifacts can tell the story of humanity and how we evolved technologically, spiritually, and emotionally. However, sometimes archaeologists find ...

In this country, in Devonshire and Cornwall, the occurrence of radiolarian cherts, both of Ordovician and Carboniferous ... The representation on maps and in sections of the main stratigraphical ...

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

This surprising hypothesis, published in Earth and Planetary Science Letters, stems from plate tectonic reconstructions for the Ordovician period noting the positions of 21 asteroid impact craters.

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 ...

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 ...

with a steep rise occurring during the Ordovician period. Back then, the world would have looked much different than it does today. Sparse patches of green slime or moss-like species may have spread ...

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.