On Wednesday (Aug. 12), the new moon will swoop in front of the sun, casting its dark shadow across a stretch of Earth from Iceland and Greenland to northern Spain. Viewers in the path of the shadow, known as the path of totality, will see a stunning total solar eclipse.
Meanwhile, millions of skywatchers in North America and Europe will be treated to a partial eclipse, with the moon covering more than 90% of the sun's visible surface in some areas.
Here's everything you need to know about how to watch the eclipse in person and online.
Where is the Aug. 12 total solar eclipse visible?
The path of totality for the Aug. 12 eclipse runs in a perplexing arc from far northern Siberia near the North Pole down to Greenland, western Iceland and, finally, southern Spain. Prime locations to catch the total phase of the eclipse include Scoresby Sund, Greenland; Reykjavik, Icelan...
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