As Titan Turns

This view from NASA's Dawn spacecraft shows a sinuous canyon in the southern hemisphere of Ceres, south of Yalode Crater.

The Moon sets over the early morning desert in Arches National Park, Utah on July 28, 2018.

+ View Infrared + View Infrared (false color) This infrared image taken by the visual and infrared mapping spectrometer on NASA's Cassini spacecraft shows Hotei Arcus, a region on Saturn's moon T...

NASA's Dawn spacecraft obtained this image with its framing camera on Aug. 26, 2011. The detail in this image shows impacts of all sizes, grooves, scarps and smooth areas.

Mimas and Pandora remind us of how different they are when they appear together as in this Cassini spacecraft image. Although they are both moons of Saturn, Pandora's small size means that it lac...

The Cassini spacecraft spies two of the small, irregular moons that patrol the outer edges of Saturn's main rings. Prometheus (102 kilometers, or 63 miles across) hugs the interior of the F ring r...

This map illustrates the planned imaging coverage for the Descent Imager/Spectral Radiometer, onboard the European Space Agency's Huygens probe during the probe's descent toward Titan's surface on ...

Several spiral density waves in Saturn's A ring are seen in this detailed view. There is a grainy texture visible between the brightness peaks in the most prominent wave. Scientists think the grain...

                  Cassini Enters Saturn's Orbit July 1, 2004     After becoming the first spacecraft to enter Saturn'...

This image of Nar Sulcus in Yalode Crater was obtained by NASA's Dawn spacecraft on May 19, 2018 from an altitude of about 875 miles (1410 kilometers).

The Cassini narrow angle camera took images of the ropy, taffy-like topography of Saturn's moon Enceladus from many different angles as the spacecraft flew by on Feb. 17, 2005. Images from differen...

Saturn's two largest moons meet in the sky in a rare embrace. Smog-enshrouded Titan (5,150 kilometers, or 3,200 miles across) glows to the left of airless Rhea (1,528 kilometers, or 949 miles acros...

Cratered terrain in the northern hemisphere of Ceres is seen in this image from NASA's Dawn spacecraft. The scene is dotted with small impacts among larger, more ancient craters.

This image shows a crater, approximately 60 kilometers (37 miles) in diameter, on the very eastern end of the radar image strip taken by the Cassini orbiter on its third close flyby of Titan on Feb...

This frame from an animated sequence of images shows northern terrain on the sunlit side of dwarf planet Ceres as seen by NASA's Dawn spacecraft on April 14 and 15, 2015.

Dantu Crater on Ceres, at top center, is featured in this image from NASA's Dawn spacecraft taken on Oct. 21, 2016. A small crater located around the 5 o'clock position within Dantu is called Cente...

Related videos: Figure 1 (in color) -- QuickTime or Windows Media Figure 2 (in black and white) --QuickTime or Windows Media. Cassini's radar mapper has obtained stereo views of close to 2 per...

The Cassini spacecraft examines old and new terrain on Saturn's fascinating Enceladus, a moon where jets of water ice particles and vapor spew from the south pole. Newly created terrain is at the ...

This frame from a video captured by NASA's Dawn spacecraft shows a flyover of the intriguing crater named Occator on dwarf planet Ceres. Occator is home to Ceres' brightest area.

Enhanced color image of the region surrounding the young impact crater Pwyll on Jupiter's moon Europa.

During a recent flyby of Titan, the Cassini spacecraft looked beyond the utterly overcast moon and spied clear, distant Rhea in the blackness. Titan (5,150 kilometers, or 3,200 miles across) is tw...

This 1981 Voyager 2 image shows the vast Saturn ring system, as well as three small icy satellites and the shadow of a fourth. Saturn is the second largest planet in the Solar System. It has a vol...

This side-by-side image shows a Cassini radar image (on the left) of what is the largest body of liquid ever found on Titan's north pole, compared to Lake Superior (on the right). This close-up is...

The Cassini spacecraft looks to the night side of Saturn and its rings for a view that includes Dione. Dione (1,123 kilometers, or 698 miles across) is in the top right of the image. Tiny Pandora ...

+ See contrast-enhanced version NASA’s Cassini spacecraft shows a new view of Saturn’s moon Enceladus in a whole-disk mosaic of the geologically active moon's leading, or western, hemisphere. Thi...