A lunar eclipse occurs when Earth blocks sunlight, casting a shadow on the Moon. The Moon appears red due to Earth's atmosphere filtering out blue light.

For the first time in nearly three years, stargazers in the Western Hemisphere will be treated to a total lunar eclipse. Here's when and how to watch from Tennessee.

Skywatchers are gearing up for a rare celestial event that’s set to adorn the night skies across the United States, Canada, and Mexico. A total lunar eclipse will cast a shadow on the Moon, turning it into a spooky red color for one night. Here’s how you can watch it unfold.