Earth's shadow has two main regions: the outer shadow, called the penumbra, and the inner shadow, known as the umbra. The ...
The eclipse will be visible across North America, but set your alarm -- you'll need to stay up late to see it.
As of Friday, Feb. 13, the Moon phase is Waning Crescent. According to NASA's Daily Moon Guide, 17% of the Moon will be lit up tonight.
Sky This Week is brought to you in part by Celestron. Friday3This dark, moonless Friday the 13th evening is the perfect time ...