Look east around 4 a.m. local time, just before dawn, to see the slender form of the crescent moon climb above the horizon.

ESA's Mars Express orbiter captured footage of the Mars' moon Deimos pass in front of Ganymede, Europa, Jupiter, Io and Callisto (in that order).

The new moon in Cancer on June 25, amplified by Jupiter, signals a powerful period for new beginnings and personal insight.

KENNEDY SPACE CENTER — NASA's Europa Clipper mission on Monday launched a satellite to investigate Europa, Jupiter’s “mysterious moon” — a world covered in ice that scientists say could ...

Four prominent celestial objects — the moon, a bright planet and two bright stars — will come together to form a "celestial quadruple play" in the night sky this week.

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