Comet likely last seen when Neanderthals walked Earth could soon dazzle in the night sky CNNNorthern Lights and some coldest countryside frost possible Thursday night CNYcentral.comIdaho, are you ready to see the ‘comet of the century'? Here’s where and how. Boise State Public RadioHow to See the ‘Once-in-a-Lifetime’ Comet Flaring in Our Night Skies The New York Times