A total lunar eclipse occurs when the Earth is positioned exactly between the moon and sun. The Earth casts a shadow on the surface of the moon, dimming it. The moon doesn't produce its own light.

During a solar eclipse, the moon comes between the sun and Earth, blocking the sun's light from reaching Earth. (This story was updated to fix a typo.) Contributing: Eric Lagatta, USA TODAY.

A total lunar eclipse will appear to transform the full moon into a reddish "blood moon" this week across the Western Hemisphere. The eclipse's peak begins at 2:26 a.m. ET Friday and lasts about ...

If you were on the Moon during the lunar eclipse, it would look like Earth was blocking out the Sun. A total lunar eclipse can be observed every two to three years from a given location, according ...

And soon, a group of scientists can say they have. A UK-led space mission will see astronomers blot out the Sun by using a ...

During a solar eclipse, the moon comes between the sun and Earth, blocking the sun's light from reaching Earth. (This story was updated to fix a typo.) Contributing: Eric Lagatta, USA TODAY.

Spectators view a total lunar eclipse in 2022 in Eugene, Oregon. A lunar eclipse occurs when the sun, Earth, and moon align so that the moon passes into Earth's shadow.