Lobster-eye satellite Einstein Probe captured the X-ray flash from a very elusive celestial pair. The discovery opens a new ...

The moon's ascending node (the point in the sky where its orbit crosses the ecliptic from south to north) is moving westward ...

There will also be two total lunar eclipses that occur during the March and September full moon events. A lunar eclipse, ...

on Monday, August 21, 2017. (David Carson/St. Louis Post-Dispatch/Tribune News Service via Getty Images) A perfect alignment of sun, moon and Earth—and a celestial fluke—are what cause a total ...

Lunar: A history of the moon in myths, maps and matter tells the story of the coexistence between humanity and the celestial ...

This might happen a couple times a month. During the short time when the is moon low on the horizon, as the sun rises or sets, there’s enough ambient light that it balances with the moon’s glow.

And, while those wolves are howling, the moon will also cover Mars. But the red planet will literally have its moment in the sun and shine as brightly later in the week. Mars will be hidden during an ...

This lunar phase sees the moon roughly between the Earth and the sun, making the moon invisible but the night skies free from moonlight. That makes tonight the very best of the month for ...

The new moon of January will be at 7:36 a.m. Eastern Time on Jan. 29, according to the U.S. Naval Observatory, and two days later a young moon will pass near Saturn and near Venus as they cluster ...