A total solar eclipse will darken the sky for millions today! Here's what you need to know

A total solar eclipse is occurring today, darkening the sky for millions across the northern hemisphere. Spectators and scientists have gathered in Greenland, Iceland, Spain, northern Russia, and parts of Portugal to witness the moon completely blocking the sun. In some regions, the sky will turn dark for two minutes. Organizers are providing timings, livestreams, and essential safety advice for sky watchers as they prepare for one of nature's greatest spectacles during this astronomical event.