Full moons are reckoned when the moon is exactly on the opposite side of Earth from the sun – using the moon's celestial longitude (a projection of Earth's longitude lines on th ...

While there is the expression “Once in a blue moon,” once in a while, there is a Black Moon too. Later in August, a rare Black Moon will be seen — or rather, hidden — in the night sky. A Black Moon is ...

When the moon is nearly between Earth and the sun, one side of the moon faces the sun, and that side is illuminated, but the side the Earth sees is dark. This is called the new moon phase of the lunar ...

New moons are only visible during solar eclipses. This visualization of a tiny sliver, for example, is technically a crescent moon. NASA Goddard Space Flight Center via Flickr under CC BY 2.0 This ...

Laura Nicole Driessen is an ambassador for the Orbit Centre of Imagination at the Rise and Shine Kindergarten, in Sydney's Inner West. There’s been a lot of buzz online about the August “black moon”, ...

“What’s up in the sky?” is a recurring feature and publishes on the first of every month. You can find it on WTOP’s The Space Place. Email Greg your space questions and he might answer them in the ...

Stargazers are in for a spectacular sight tonight as the crescent moon will appear side-by-side with the bright blue star Spica. The incredible view will be visible at sunset on August 27 and you'll ...

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If you glance up at the sky this week, hoping to see a big, glowing moon, don't be surprised when you see absolutely nothing! In late August, a rare Black Moon will occur in the night sky. The name ...

There are "blood," "super" and "blue" moons, and then there's the "black" moon. The "black moon," a rare phenomenon that occurs during a new moon phase of the lunar cycle, will occur this weekend. But ...