The lunar heart, created by the interplay of light and shadow, is visible once a month, just before our satellite reaches ...

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

Here's when and how to watch the next full moon and February's rare planetary parade across Pennsylvania skies, starting with shiny and bright Venus.

As part of the Chang'e 7 mission, China will be searching for frozen water, which is crucial for future lunar exploration.

As part of the Chang'e 7 mission, China will search for frozen water, which is crucial for future lunar exploration. Its ...

Exciting February sky events include Venus at its brightest and closest to Earth, the moon occulting the Pleiades, and a ...

February brings love letters, pink sweaters, and often strong cold fronts! Here’s what we typically see this month.