While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

What exists beneath the surface of Jupiter's icy moon, Callisto? This is what a recent study accepted by The Planetary ...

While Io, the most volcanically active moon in the solar system, appears completely dry and devoid of water ice, its neighbor ...

On January 7, 1610, the Italian astronomer Galileo discovered three of Jupiter's moons: Callisto, Europa and Io. When he looked at Jupiter through his telescope, he saw what he thought were three tiny ...

Saturn reigns supreme when it comes to the number of moons orbiting any solar system planet. Including the 128 ...

The observatory, located away from city lights and above the fog line, offered a prime location to attempt to view the ...

Explore seven factual aspects of Jupiter, including its size, moons, rotation, atmosphere, rings, formation, and magnetic field based on NASA findings.

In astronomy, an occultation is when a celestial body or object — like the moon or a planet — passes in front of a distant ...

Sky This Week is brought to you in part by Celestron. Friday, January 9Cygnus may be sinking toward the horizon a few hours ...

Jupiter currently shines as a brilliant silvery "star" in the constellation Gemini the Twins, low in the east-northeast sky ...

The wolf moon is spectacular enough, but look east and you’ll see a celestial titan the size of a pinprick ...