December's Cold Moon—the last full moon of the year—will appear in the sky overnight and coincide with a rare lunar event in which observers can see it rise and set at its most extreme points on the ...

Full moon, new moon. High tide, low tide. These are dependable rhythms of our planet. It is not surprising then, that news of a “wobble” in the moon’s orbit — one with implications for the growing ...

The Apollo 11 Eagle Lunar Module ascent stage was abandoned in lunar orbit after the historic landing in 1969. Its fate is unknown. Numerical analysis described here provides evidence that this object ...