If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's second-largest moon has more impact craters on its surface than any other ...

These pinpricks of light are actually Jupiter's four largest moons, now known as the Galilean moons: Io, Europa, Ganymede, and Callisto. Many of these celestial orbs are as remarkable as Jupiter ...

Earlier this week, Saturn gained a whopping 128 new official moons, as the International Astronomical Union recognised ...

Orange will release science-fiction mystery visual novel Murder on the Spaceship Altair for PlayStation 4 in June in Japan, ...

NASA When the spacecraft’s namesake, Galileo Galilei, first trained his telescope on Jupiter in 1610, he saw only four moons: Io, Europa, Ganymede, and Callisto (arranged in this artificial ...

Studying Jupiter’s moons: The main goal of the Juice mission is to study Europa, Ganymede, and Callisto. Jupiter is home to almost 100 satellites, but these three moons are believed to house ...

The Moons And Jupiter Imaging Spectrometer (MAJIS ... especially the icy moons Ganymede and Callisto. Water ice in the focus of MAJIS The wavelength range in which MAJIS detects the planetary surfaces ...

Catch two transits of Io, spot sparkling star clusters, and view Mars at aphelion while the April Full Moon lights the sky ...

The four largest moons of Jupiter (Io, Europa, Ganymede, and Callisto) can be seen from Earth with just a pair of binoculars. Saturn is almost as large as Jupiter and has 82 moons. It has a system ...

But it hasn’t always been this way. Jupiter’s four largest moons – Io, Europa, Ganymede and Callisto – were the first ever discovered orbiting another planet. They were spotted by Galileo ...