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 ...

Earth's shadow has two main regions: the outer shadow, called the penumbra, and the inner shadow, known as the umbra. The penumbra causes faint dimming that can be hard to notice. But the umbra is ...

The eclipse will be visible across North America, but set your alarm -- you'll need to stay up late to see it.

Of the solar system’s planets, Saturn piques the human imagination with its signature rings and impressive moon count of 274. But compelling new research reignites theories of an ancient collision ...

Eclipses don't happen at random — they arrive in pairs, on schedule, and 2026 brings two spectacular seasons to prove it.

Humans haven’t been back to the moon since the Apollo moons program ended over five decade ago. The reasons why go beyond science, according to experts.