On August 12, 2026, the moon will draw its ancient curtain across the Arctic and down through Europe, briefly turning day to dusk for those along a narrow corridor stretching from Russia and Greenland to Iceland and Spain. What is new in this oldest of spectacles is the scale of witness: through a constellation of free livestreams organized by NASA, ESA, the Exploratorium, and others, the eclipse becomes a shared human moment available to anyone with a screen. Science, too, travels with the shadow — research aircraft and student-launched balloons will probe the sun's corona and the atmosphere'