A weird number of craters are located close to the equator, and the odds that this is random are incredibly low, researchers say.

Once here, the researchers have suggested that the asteroid likely met a brutal end, ripped to shreds and scattered around the equator, leaving Earth with a halo of debris ... of a serious cold snap. But the ring may have exacerbated things, plunging ...

And now, a new study published in the scientific journal Earth and Planetary Science Letters seems to show that Earth itself once had a similar ring. The new study asserts that Earth's ring formed around 466 million years ago,