It is indeed dark during the day as a total solar eclipse makes its way from Oregon to South Carolina. Eleven states are in the path of total darkness.
Follow the astronomical phenomenon's journey across America along with NPR journalists and others experiencing the eclipse.
If you're unable to watch, NASA is live-streaming the event for four and a half hours, beginning at 11:45 a.m.
You can also listen to coverage from NPR in the audio player below or follow along in the live blog.