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

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

Research suggests Earth might have once boasted a spectacular ring similar to Saturn's, formed from an asteroid breakup around 466 million years ago. This event coincides with numerous meteorite impacts primarily around the equator and a subsequent period of significant global cooling.