An eclipse is a celestial event that occurs when one astronomical object moves into the shadow of another object, resulting in a temporary obscuration or darkening of the first object. The most ...

Solar eclipses result from the alignment of the Sun, Moon, and Earth. Total solar eclipses — in which the Sun is completely blocked by the Moon — are a spectacular and rare sight to witness. In this ...

Eclipses occur when the sun or moon, depending on the situation, is obscured. Sometimes these eclipses are total and sometimes they are partial. Astronomers use many terms to describe what happens ...