On August 21, 2017, darkness will sweep across the land. Far from an ill omen, these two minutes will offer Americans an astronomical gift like no other — a total solar eclipse. The Moon's shadow will race across the continental United States from Oregon to South Carolina, earning this event its nickname as the Great American Eclipse. You'll want to be prepared for this extraordinary event, so keep up-to-date here on how to plan for eclipse day, everything you need to know about the Sun and eclipses, and all the best tools and equipment, from state-of-the-art solar filters and telescopes to do-it-yourself pinhole cameras.
