NASA employees use protective glasses to view a partial solar eclipse from the rooftop at NASA Headquarters on Monday, Aug. 21, 2017, in Washington, DC. North America will experience a total solar eclipse today, gradually turning a band from Mexico to Canada as dark as night as the moon’s shadow casts across the Earth below. For observers outside the region, there’s still a way to see the eclipse via streaming.Recent Videos Watchers in Mazatlán, Mexico, will be the first
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