The Sun Unleashed a Huge Solar Flare at Earth, And We’re on Aurora Alert ScienceAlertSun unleashes monster X7.1 flare that could supercharge Earth auroras (video) Space.comNorthern lights forecast for northern US, Midwest this week as solar flares increase USA TODAYSecond-strongest solar flare of cycle could trigger Northern Lights across US Fox Weather Why we could see Northern Lights this week in Michigan WDIV ClickOnDetroit