Great Dark Spot

The Cassini spacecraft surveys the surface of Saturn's moon Enceladus in this image, which shows newly created terrain in the upper right meeting older, cratered terrain in the lower left. This vi...

This image was taken on 2016-11-21 08:49 (PST) and received on Earth 2016-11-22 15:06 (PST). 

Tethys, dwarfed by the scale of Saturn and its rings, appears as an elegant crescent in this image taken by NASA's Cassini Spacecraft.

This composite image shows a mosaic of the European Space Agency's Huygens probe landing site, as seen by the descent imager/spectral radiometer on the Huygens probe. The mosaic is overlaid on a C...

Saturn's moon Dione hangs in front of Saturn's rings in this view taken by NASA's Cassini spacecraft during the inbound leg of its last close flyby of the icy moon.

The transition from light to dark takes place on two fronts in this image of Mimas. The two terminators that stretch across the moon are created by sunshine across the north and Saturn-shine in the...

In the Maxwell gap within Saturn's C ring resides a narrow, eccentric ringlet of the same name. Astronomers are studying this ringlet to understand how it is maintained. One possibility is that a ...

NASA's Cassini spacecraft obtained this raw image of the Saturnian moon Hyperion on Nov. 28, 2010. The spacecraft was about 73,000 kilometers (45,000 miles) away from the moon's surface. Image Cre...

In this image, dwarf planet Ceres is seen on Feb. 4, 2015, from a distance of about 90,000 miles (145,000 kilometers). NASA's Dawn spacecraft is due to arrive at Ceres on March 6, 2015.

Saturn’s C ring isn’t uniformly bright. Instead, about a dozen regions of the ring stand out as noticeably brighter than the rest of the ring, while about half a dozen regions are devoid of ring ma...

The central peaks of Plaskett crater on the Moon.

Appearing like an iris of a human eye, the huge Odysseus Crater dominates the sphere of the moon Tethys. The Odysseus Crater is 450 kilometers, or 280 miles, across on Tethys, which is 1,062 kilom...

A close-up of the F ring shows dark gores in its interior faint ringlets following the passage of Prometheus. Each gore represents a single interaction of the moon with the F ring material. The gor...

Titan presented this face as the Cassini spacecraft approached for its second very close flyby of the mystery moon in December 2004. Prominent in the center of the image is Xanadu, a broad bright a...

Click here for the QuickTime video. Mimas, a little moon of Saturn with a big crater, is the star of this movie. This movie consists of 37 individual frames taken over 20 minutes, while Cassini r...

Thanks to the illumination angle, Mimas (right) and Dione (left) appear to be staring up at a giant Saturn looming in the background.

The Cassini spacecraft spies the large Penelope crater on Saturn's moon Tethys. Penelope crater lies near the center of the image. See Odysseus and Penelope to learn more about the prominent featu...

These images of Saturn's polar aurora were taken by NASA's Hubble Space Telescope on Jan. 24, 26, and 28. Each of the three images of Saturn combines ultraviolet images of the south polar region (...

The conspicuous crater on the surface of Saturn's moon Mimas is seen in this image taken by Voyager. The massive crater, whose proportionate size (approximately 100 kilometers or 60 miles) is abo...

Galileo Galilei's observations that Venus appeared in phases -- similar to those of Earth's Moon -- in our sky was evidence that Venus orbited the sun and contributed to the downfall of the centuri...

These images from NASA's Dawn spacecraft show part of asteroid Vesta's equatorial region, which contains impact craters and troughs (linear depressions).

A small moon clings to the edge of Saturn's A ring. External to the moon is the thin and contorted F ring. The flattened shape of Atlas (32 kilometers, or 20 miles across) is just discernible. See...

The Cassini spacecraft surveys Saturn's outstretched ring system in the infrared from a vantage point high above the planet's northern latitudes. Nearly the full expanse of the main rings is visibl...

+ View Unlabeled Version This image collage features Saturn and the moons Titan, Enceladus, Dione, Rhea and Helene, which will be studied in the extended mission. Credit: NASA/JPL/Space Science I...

This image from NASA's Dawn spacecraft shows a portion of Ikapati Crater on Ceres. Dawn took this image on June 10, 2016, from its low-altitude mapping orbit, at a distance of about 240 miles (385 ...