Look at NASA's new image of Jupiter's Great Red Spot, and you might catch something unusual. Careful, though: If you don't pay attention, you might miss it. That tiny, dark dot at the top of ...

That treat, a photo of the Jupiter moon Ganymede snapped on July 20, comes compliments of Juno's JIRAM, or Jovian Infrared Auroral Mapper. Jupiter's moon, Ganymede, captured by the Juno probe just ...

NASA's Europa Clipper is about to use Mars' gravitational pull to slingshot itself as it makes its way to Jupiter's fourth-largest moon later this week. The craft launched from the agency's ...