While today's total solar eclipse is set to dazzle U.S. skywatchers, it hasn't been that long since the nation was last captivated by another total solar eclipse. Eclipse-chasers across the country ...
Total eclipse of the sun at the location of the longest duration of 2 minutes and 40 seconds in Hopkinsville, KY. (Photo by Jonathan Newton / The Washington Post via Getty Images) Where were you on ...