Skywatchers across the world will witness the first total lunar eclipse in three years. Here’s who will have the best views—and what gives the moon its eerie red tint.

A lunar eclipse happens when the Earth moves between the Sun and the Moon. That blocks out the light that would usually make it to the Moon and instead covers it in a shadow. That

When and where will the total lunar eclipse be visible? We show who will have the best views and when you should watch.