Breathtaking photos of this month's total lunar eclipse capture a blood red moon and star-studded Milky Way over NOIRLab's Cerro Tololo Inter-American Observatory in Chile.

There are different types of lunar eclipses, but total lunar eclipses cause the moon to shine red because sunlight must travel through the atmosphere before illuminating the moon. Blue wavelengths ...

NASA explains it this way: “In a total lunar eclipse, the entire Moon falls within the darkest part of Earth’s shadow, called the umbra. When the Moon is within the umbra, it appears red-orange.