If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

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The latest analysis of data from the Galileo probe reveals surprising clues about Callisto, one of Jupiter's moons. These ...

The number of known moons in our Solar System has been rising for centuries, but astronomers say it has probably peaked – for ...

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

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

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 ...

More pocked with craters than any other object in our solar system, Jupiter's outermost and second-biggest Galilean moon, Callisto, appears geologically unremarkable. In the 1990s, however ...

While The Callisto Protocol wasn't a hit title, many hoped the developer could bounce back. Yet, now it's been hit with ...

New evidence from an old NASA mission supports the theory that Jupiter's moon Callisto is in fact an ocean world. Credit: NASA / JPL / DLR A moon of Jupiter about the size of Mercury likely has a ...

Europa is the sixth largest satellite in our Solar System and the smallest of Jupiter’s four Galilean moons. Discovered by ...

The Callisto Protocol failed to meet sales expectations, leading to layoffs, and the studio's future project may be at risk of being canceled. Update: Krafton sent a statement about the layoffs ...