The first total lunar eclipse since 2022 is tonight and all U.S. states have some ability to see the "blood moon." Here's what to know.

Earth’s shadow will block most of the light that illuminates the lunar surface, creating what is known as a blood moon.

It will get mighty dark up that way, but the best viewing during the total eclipse of what will become the sanguinarily named “blood moon” might well be from the moon itself. Through a perfectly clear sky free of water vapor and unsightly atmospheric muck,