Four billion years ago, Ganymede literally got knocked sideways. A giant asteroid slammed into Jupiter’s largest moon, ...

Sky This Week is brought to you in part by Celestron. Friday, May 9Asteroid 9 Metis reaches at opposition at 2 A.M. EDT in ...

View a brilliant morning star, enjoy dark skies during New Moon, and take in plenty of deep-sky targets in the sky this week.

Who would've guessed that Ganymede, one of Jupiter's many moons ... Sights and sounds from our solar system's largest planet and its largest moon. The photos of the swirling gas giant's "surface ...

Jupiter's largest moon Ganymede is generating "killer" waves of electrons that astronomers say could damage spacecraft going on future missions. These electromagnetic waves can be found all around ...

an asteroid hit the Jupiter moon Ganymede. Now, a researcher realized that the Solar System's biggest moon's axis has shifted as a result of the impact, which confirmed ...

Ganymede is alone to the west of Jupiter until Io’s transit carries it to this side of the planet as well. Sunrise: 6:27 A.M. Sunset: 7:35 P.M. Moonrise: 6:36 P.M. Moonset: 5:48 A.M. Moon Phase ...

NASA announced that it has evidence that Jupiter’s moon Ganymede, the largest moon in our solar system, has a vast ocean lurking underneath its icy crust. WSJ's Monika Auger reports.

Towards the end of the mission, the JUICE probe dedicates its experiments in detail to the largest moon in our Solar System, Ganymede. The focus is on a suspected ocean under a kilometre-thick ice ...

Galileo never saw Ganymede, Jupiters largest moon, but this NASA video shows the moon orbiting behind Jupiter in just two hours Need a New Organ? Surgeon Anthony Atala Sees a Future Where You Can ...