NASA's Juno spacecraft made a close flyby of Jupiter moon lo. See an animation of the images the probe captured created by Koji Kuramura and Gerald Eichstädt. Credit: NASA/JPL-Caltech/SwRI/MSSS | ...

For nine years, a spacecraft known as the Juno orbiter has divided its time between observing the gas giant of Jupiter and studying its moons, including Io. And on its third flyby of the celestial ...

Europa Clipper will travel 1.8 billion miles (2.9 billion km ... traveling farther out in our solar system, it also did a flyby of Jupiter, spending about six months exploring the giant planet.