Red sprites seen above the Himalayas reveal powerful storms, rare upper-atmosphere events, and atmospheric mysteries ...

Have you ever heard of—or even seen—red lightning? These are not animated characters but real atmospheric phenomena known as ...

A total lunar eclipse will flush the moon blood red Thursday night into Friday morning across the Western Hemisphere. The best views will be from North America and South America. Parts of Africa ...

The moon passes through the darkest part of Earth’s shadow, called the umbra, turning the chalky-white surface into a red-orange color, hence being called a Blood Moon. This color change occurs ...