In the last week, Venus and Jupiter were at their conjunction, and photographer Adam Tomaszewski took this fantastic picture of the pair. Look closely, and you can see Io, Europa, Ganymede, and Callisto orbiting Jupiter.
There's a strange bulge on the Solar System's largest moon, one that measures 375 miles wide and nearly two miles tall. Scientists aren't entirely sure why it's there or what caused it, but it may have something to do with the Jovian moon's subsurface ocean.
By studying the subtle shifts of aurorae on Ganymede, scientists working with the Hubble Space Telescope have concluded that Jupiter's largest moon hosts a massive subterranean ocean. Quite suddenly, the outer reaches of our solar system appear to be a very wet place, indeed.
Normally, images as detailed as this infrared shot of Jupiter can only be captured by space-based telescopes or planetary probes. But this picture, taken with a special camera on the Subaru Telescope, was captured from our planet's surface.
Last week, researchers released the first-ever geological map of Ganymede, Jupiter's largest moon. Here's the map again, flattened into a 2D, rectangular map.
Four hundred years ago, Galileo Galilei observed Ganymede in orbit around Jupiter. This week, a team of planetary scientists unveiled the first global geological map of our solar system's largest moon.
The Russian government has just allocated 50 million rubles ($1.52 million) for the development of a technical proposal to land a probe on the surface of Jupiter's largest moon, Ganymede. If successful, it would mark the country's first mission beyond Mars.
This image may look like a splatter of abstract digital artwork, but it's actually a map of the far side of the moon. A far cry from the monochromatic topical maps that we're used to seeing, these colorful maps instead document the surface reflectivity of geologic features throughout our solar system.Map of…
Could there be life on one of Jupiter's moons? The European Space Agency is hoping to find out.
That's no moon... that's a fully opera - No, wait, it is a moon. Ganymede, in fact, as captured disappearing behind Jupiter by the Hubble Telescope. Click through for video.
A little while back, io9er Ed said Titan was "The Awesomest Moon in the Solar System." Well where I come from, them's fightin' words. What about Earth's Moon? Mars' Phobos? Europa?? There are boatloads of kickass moons in the solar system. We break down ten contenders in a highly scientific chart to settle this…