Pioneer 10 at Jupiter (Artist's Concept)

In the still from the short film Cassini's Grand Finale, the spacecraft is shown diving between Saturn and the planet's innermost ring.

+ View Related Feature Story + View Labeled image Scientists with NASA's Cassini mission have spotted two features shaped like the 1980s video game icon "Pac-Man" on moons of Saturn. One was ...

Details of the circular feature, which scientists think is an ice volcano, which could be a source of methane in Titan's atmosphere, show up at wavelengths larger than 1.3 microns (a micron is one-...

This graphic shows the trajectories for the Cassini spacecraft during its flybys of the icy moon Enceladus on Oct. 9 and 31, 2008. The Oct. 9 flyby is the closest flyby yet of any moon of Saturn...

This still is from a short computer-animated film that highlights Cassini's accomplishments and Saturn and reveals the science-packed final orbits between April and September 2017.

This plot shows the variation in brightness of the plume of material, composed of all the geysers erupting from the south polar terrain of Saturn's moon Enceladus, as a function of the moon's orbit...

+ View Image Without Labels This false-color image of Saturn's main rings was made by combining data from multiple star occultations using the Cassini ultraviolet imaging spectrograph. During occ...

This movie shows a concatenation of images, hotly downloaded of the telescope today, April 22, 2013. While the frame rate is constant, the movie is time-lapse but by varying degrees. Credit: NAS...

This illustration taken from the Cassini Grand Finale movie shows Cassini's fly-through of the Enceladus plume in October 2015.

Learning what Jupiter is made of and how it works will tell us more about the rest of the solar system and our own planet, Earth.

This graphic, constructed from data obtained by NASA's Cassini spacecraft, shows the percentage of cloud coverage across the surface of Saturn's moon Titan. The color scale from black to yellow sig...

Diagram of the Cassini spacecraft and Huygens probe.

This movie sequence of images from NASA's Cassini spacecraft offers a unique perspective on Saturn’s ring system. 

This artist’s concept shows an over-the-shoulder view of Cassini making one of its Grand Finale dives over Saturn.

A scaled down version of our popular series of exploration posters.

This schematic graphic illustrates the bombardments that lead to colorful splotches and bands on the surfaces of several icy moons of Saturn. The arrow indicating the orbital motion of the moon is ...

This artist's concept shows the approximate relative sizes of the terrestrial planets of the inner solar system. Correct distances are not shown.

This three-frame animation from NASA's Cassini spacecraft shows the swirling clouds in a vortex spawned by a great northern storm on Saturn. The clouds are moving in a clockwise direction. These...

An unprecedented space fleet tracked comet ISON.

This picture illustrates the Huygens probe descent profile, beginning with the initial encounter with the Titan atmosphere and subsequent deceleration. As the probe slows, a small parachute is rele...

This movie sequence of images is from the last dedicated observation of the Enceladus plume by NASA's Cassini spacecraft.

This illustration created by Cassini's mission planning team shows the closest approaches - periapses - of the spacecraft during the final two phases of the mission.

Full-Res Image   After nearly seven years of space travel, the Cassini-Huygens spacecraft will arrive at Saturn on June 30. In a maneuver called orbit insertion, Cassini will slow itself down ...

Diagram of the Cassini spacecraft and Huygens probe.

This graphic shows the closest approaches, or periapses, of Cassini's final two orbital phases.The Ring-Grazing orbits are shown in gray; Grand Finale orbits are shown in blue. The orange line show...