Oct 21, 2025 · This montage shows the best views of Jupiter's four large and diverse "Galilean" satellites as seen by the Long Range Reconnaissance Imager (LORRI) on the New Horizons …

Sep 21, 2023 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

Sep 3, 2025 · The giant planet has thousands of small objects in its orbit. This composite image shows the edge of Jupiter, and Jupiter's four largest moons. From top to bottom, the moons …

Oct 21, 2025 · This site is maintained by the Planetary Science Communications team at NASA’s Jet Propulsion Laboratory for NASA’s Science Mission Directorate.

The giant planets Jupiter and Saturn lead our solar system’s moon counts. In some ways, the swarms of moons around these worlds resemble mini versions of our solar system.

NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

The puzzling, fascinating surface of Jupiter's icy moon Europa looms large in this view made from images taken by NASA's Galileo spacecraft in the late 1990s. Credit: NASA/JPL-Caltech

Oct 21, 2025 · NASA’s real-time science encyclopedia of deep space exploration. Our scientists and far-ranging robots explore the wild frontiers of our solar system.

Jun 26, 2019 · Pioneer 10, the first spacecraft to obtain close-up images of Jupiter, also took photos of Callisto, Europa and Ganymede (but not Io) as it raced through the Jovian system.

Early in the history of the solar system, the gravity of newly formed Jupiter brought an end to the formation of planetary bodies in this region and caused the small bodies to collide with one …