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

July 25 has been a date marked by remarkable events that have shaped history.One of the most profound events occurred on July ...

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

Europa: A little moon with a chance of life At last count, Jupiter has 95 moons, but the four main ones — Ganymede, Callisto, Io and Europa — were discovered in 1610 by famed Italian ...

Catch the solar system’s largest planet satellite sharing the constellation Gemini the Twins with our Moon this morning ...

Two new moons have been discovered orbiting Jupiter, bringing the total number of natural satellites orbiting the gas giant ...