More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, ...

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 ...

Skywatchers on Thursday evening, Feb. 6, will notice an eye-catching pairing-off between two of the brightest objects in the nighttime sky. The moon, nearly two nights past first quarter and appearing ...

The hellish surface of a moon of Jupiter known as Io is riddled with ... seen belching out eruptions six times the total energy of all the world’s power plants combined, NASA said in a press ...

NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

The hellish surface of a moon of Jupiter known as Io is riddled with hundreds of lava ... but it also was seen belching out eruptions six times the total energy of all the world’s power plants ...

NASA's Juno Probe captured a cloud formation on Jupiter resembling a dolphin, seen by Brian Swift and Sean Doran. This ...

The acid yellow moon Io that orbits Jupiter may be less than 30% the size ... contains the equivalent to six times the total output of all power plants on Earth. While Io’s surface includes ...

The zodiacal light shines in the evening as the Moon reaches Last Quarter and skims past Spica and Antares in the sky this ...