'Cataclysmic' solar storm hit Earth around 2,687 years ago, ancient tree rings reveal
Both tree ring and ice data pinpointed the date of the extreme Miyake solar storm whose timing had long eluded researchers to between 664 and 663 BCE. The study is published in the journal Communications Earth & Environment. Save up to 35% on the brand's softest, most coveted picks — it's a 7-time veteran of Winfrey's Favorite Things list.