February 1: The thin, four-day-old crescent moon will be just a few degrees from Venus, making a lovely pair. Look for them in the sky in the southwest after sunset. When you observe the moon, see if ...

The Red Planet comes closest to Earth, disappears behind the Moon in an occultation, and finally reaches opposition in the ...

Researchers accounted for the previously overlooked structures of the dwarf planet and moon in computer simulations of a ...