A blood moon is coming. The entirety of the lower 48 states, the greater Americas, and some regions beyond will witness — weather permitting — a total lunar eclipse the night of March 13 and into the early morning of March 14.

A total lunar eclipse hasn't happened in years, and won't happen again for a few more, so now's the time to take in the dazzling sight. Here's how.

Hundreds of millions of Americans will have the chance in March to see the first total lunar eclipse in nearly three years.