Auroras, also known as the northern or southern lights, are colorful and dynamic displays that glow in the night sky. Auroras ...
A map of the night sky created by the ancient Greek astronomer Hipparchus was recently discovered at St. Catherine Monastery ...
When a celestial body, such as a moon, planet or an asteroid passes in front of another celestial body, blocking its view, we call that an occultation. The word is derived from the Latin occultäre, to ...
After making U.S. history as only the second person to be elected to a nonconsecutive term as president, Donald Trump had ...
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