Callisto is the outermost of the Galilean moons. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Callisto is Jupiter's second-largest moon ...

Callisto, Jupiter's second-largest moon, may have a rocky surface with an ocean beneath the surface. Corey J. Cochrane, NASA/JPL-Caltech ...

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, NASA's ...

It isn't clear what's happening at Callisto to produce so much oxygen, but Carberry Mogan hopes to get a better understanding of processes active in the moon's surface that may yield an ...

Callisto, the third largest moon in the entire solar system, orbits Jupiter from about 1.2 million miles away. The rocky world, discovered in 1610 by Italian Renaissance man Galileo Galilei, ...

The spacecraft will also whirl past Jupiter's second-largest moon Callisto 21 times and conduct 12 flybys of Ganymede, according to the mission launch kit. Get the Space.com Newsletter.

As its name suggests, NASA's probe will focus on Europa, flying past that icy moon nearly 50 times at altitudes as low as 16 miles. JUICE will focus primarily on Callisto and Ganymede, making 21 ...

The European Space Agency launched a robotic explorer on Friday on an Ariane rocket to explore Jupiter and three of its icy moons: Ganymede, Callisto, and Europa, for a decadelong journey. The ...

Gross protocol . In The Callisto Protocol, players try to escape the Black Iron Prison on Jupiter’s Callisto moon after a mysterious alien force attacks, killing and destroying anything in its ...

Callisto, Jupiter's moon, is likely an ocean world, with evidence suggesting a subsurface ocean beneath its ice shell. Reanalysis of Galileo spacecraft data, ...