NASA's Lucy spacecraft has found a hidden asteroid "moon" swirling around the larger main belt asteroid Dinkinesh, affectionately known as Dinky.
Ganymede, one of the largest moons in the solar system, possesses a salty subsurface ocean that may contain organic compounds, new research finds.
New observations with the James Webb Space Telescope reveal a never-before-seen jet stream near Jupiter's equator moving twice as fast as a Category 5 hurricane.
Jupiter's moon Io, the most volcanic world in the solar system, was imaged from just 7,260 miles away.
The discovery of seemingly home-grown carbon dioxide suggests Europa's ice-covered ocean could be habitable.
Gargantuan storms on Saturn can wrap around the entire planet and be seen for months. New research suggests their impacts persist hundreds of years longer than experts thought.
A gorgeous new image of a star system 5,000 light-years from Earth could finally explain how Jupiter-size planets are born from chaotic fields of gas.
A distant Jupiter-size planet could have the shattered remains of a smaller sibling in its tow.
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