Talk of aurora is in the air. Our earlier story today by Elizabeth Howell alerted you to the possibility of northern lights. Well, it’s showtime! As of 9:30 p.m. Central Daylight Time, the aurora has been active low in the northern sky. From Duluth, Minn. U.S., a classic green arc low in the northern sky competed … Continue reading "Clear Skies Tonight? Go Out and See the Aurora"