The sun-blocking Earth casts two shadows that fall on the moon during a lunar eclipse: The umbra is a full, dark shadow, and the penumbra is ... turns a rusty red color, earning the nickname ...

The second shadow in an eclipse is known as the penumbra ... Lunar eclipses are often also referred to as "blood moons" because when the Earth's shadow covers the moon, it often produces a red color.

The sky could look a little red in the overnight hours as a blood moon casts a crimson color over the United States. The moon going into Friday morning will undergo a rare total lunar eclipse, which ...

Turn your eyes to the sky to catch a glimpse of the tonight's lunar eclipse. When is the best time to see it in Tennessee?

Observers across most of the United States will have front-row seats to the spectacular total lunar eclipse overnight on March 13-14. Here's what to expect.

The Moon will be completely covered by the Earth’s shadow and bathed in a reddish glow on the night of March 13 ...

With predicted highs around 55 and 68 degrees on Thursday and Friday, respectively, viewers won't be unbearably cold. Normal ...

While glasses were absolutely necessary for last year's solar eclipse, they are not needed to safely view this year's total ...