March 13, 2015, 10:15 a.m. by Miriam Kramer, SPACE.com
In addition to signs of flooding on its surface, scientists looked at the movements of Ganymede's aurora to come to arrive at their watery conclusion.
January 23, 2015, 12:24 p.m. by Geoff Gaherty, SPACE.com
Break out the telescopes tonight to see Io, Europa and Callisto crossing the face of Jupiter.
December 15, 2014, 3:38 p.m. by Geoff Gaherty, SPACE.com
This double transit of moons is a lead up to a very rare triple transit on the night of Jan. 24, 2015.
September 9, 2014, 11 a.m. by Joe Rao, SPACE.com
Among the sights you'll be able to see this month will be Jupiter's cloud belts and Great Red Spot.
August 5, 2014, 10:24 a.m. by Mike Wall, SPACE.com
The eruptions were like 'curtains of fire' in that they blasted out of mile-long cracks in Io's surface.
May 16, 2014, 9:55 a.m. by Elizabeth Howell, SPACE.com
The Great Red Spot appears to be growing smaller at a rate of 580 miles across a year.
May 5, 2014, 9:50 a.m. by Mike Wall, SPACE.com
If Ganymede's interior ocean is in contact with rocks, it could open up possibilities for alien life.
March 4, 2014, 7:40 a.m. by Geoff Gaherty, SPACE.com
The huge gas giant owns up to its name as it outshines even the brightest stars.
December 18, 2013, 11:57 a.m. by Joe Rao, SPACE.com
The sedate whiteness of Jupiter will be easy to spot in a clear sky.
December 12, 2013, 1:39 p.m. by Charles Q. Choi, SPACE.com
Scientists believe that Jupiter's gravity influences the frequency and intensity of the eruptions.
December 11, 2013, 9:31 a.m. by Megan Gannon, SPACE.com
The Jupiter-bound Juno snapped photos of our home planet from 600,000 miles away.
December 2, 2013, 12:41 p.m. by Charles Q. Choi, SPACE.com
Scientists credit vertical flows of wind and gas and occasional mergers with smaller vortices as the reasons by the spot's endurance.