On Friday, it will be possible to see all seven at once, though a telescope will be needed to observe the furthest away ...

Quadruple Saturn Moon: On February 24, 2009, the Hubble Space Telescope took a photo of four moons of Saturn passing in front ...

Research Fellow Dr. Babak Bakhit has encountered one of his most challenging projects to date—contributing to the European ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be observed.

Dust off your old telescope on a clear night and look up. If you find Jupiter, you’ll likely see four small dots to the side of the gas giant: they are the Galilean moons, four of the 95 natural ...

Luna skims by Mercury, Venus, Uranus, Neptune, and Jupiter as it grows from a thin crescent to just past First Quarter in the ...

Ganymede is an enormous moon, larger than any other we’ve found, including our own, and may one day be the centerpiece of wider human settlements around Jupiter.

Your guide to the Giant Red Spot, those large ocean-bearing moons and the conditions which could support life on the planet ...

Flanking Jupiter on one side, going outward from Jupiter will be Io, Europa and Callisto and Ganymede, while all by its lonesome on the other side, will be Ganymede. So, in essence, along with our ...