Breathtaking Pic From Hawaii Shows Not One, But Two Rare Sky Phenomena

In Pictures: This Weekend’s Spectacular Full ‘Snow Moon’ Thrills Sky-Watchers Around The World

Harvard Observatory “Computers,” like Henrietta Swan Leavitt and Annie Jump Cannon, made the first all-sky catalog. Now, thousands of volunteers are digitizing their notebooks and observing logs, turning these old astronomical observations into something usable for researchers today.

The Sky Is Not Falling: It’s Time To Learn The Right Lesson Of Pearl Harbor