Great Dark Spot

This image from NASA's Dawn spacecraft shows Kondos 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 kilometers) ab...

The craters in the image, taken Oct. 1, 2015 from NASA's Dawn spacecraft, are characterized by different degrees of freshness, reflecting different ages. The sharply defined crater to right of cent...

NASA's Cassini spacecraft captured this view of Saturn's moon Atlas (30 kilometers, or 19 miles across), with its smooth equatorial ridge, during a moderately close flyby on Dec. 6, 2015.

+ Titanic Deluge -- Annotated This series of images from NASA's Cassini spacecraft shows changes on the surface of Saturn's moon Titan, as the transition to northern spring brings methane rains to...

This series of false-color images obtained by NASA’s Cassini spacecraft shows the dissolving cloud cover over the north pole of Saturn’s moon Titan. The images, obtained by Cassini’s visual and inf...

Saturn appears serene and majestic in the first color composite made of images taken by NASA's Cassini spacecraft on its approach to the ringed planet, with arrival still 20 months away. The plane...

This image, one of the first obtained by NASA's Dawn spacecraft in its low altitude mapping orbit, shows a part of one of the troughs at the equator of the giant asteroid Vesta.

Southern Hemisphere in Ultraviolet June 23, 2004 Full-Res: PIA05412 With ultraviolet eyes, Cassini gazes at cloud bands and wavy ...

On a high-inclination orbit of Saturn, the Cassini spacecraft gazes down at the north polar region of Janus. This view looks toward Janus (179 kilometers, or 111 miles across) from a perspective ...

A beautiful ''mini-jet'' appears in the dynamic F ring of Saturn. Saturn's A ring (including the Keeler gap and just a hint of the Encke gap at the upper-right) also appears.

NASA's Dawn spacecraft obtained this image of the giant asteroid Vesta with its framing camera on July 9, 2011. Vesta is also considered a protoplanet because it is a large body that almost became ...

Jupiter's main ring is a narrow structure about 6,000 kilometers (about 3,700 miles) in width and about 100,000 times fainter than the planet it encircles. These are the first pictures that NASA'...

Titan's fast-rotating atmosphere creates circumpolar bands in the north. The Cassini spacecraft acquired this view of the smoggy moon following a flyby of Titan (5,150 kilometers, or 3,200 miles a...

This wide and sweeping view of the sunlit rings of Saturn takes in the impressive variety in their structure -- from the clumpy and perennially intriguing F ring to the many waves, ringlets and gap...

This image taken on August 17, 2016 from NASA's Dawn spacecraft shows a complex set of fractures found in the southwestern region of the floor of Occator Crater on Ceres.

Part of our solar system, along with other stars of the Milky Way galaxy, as seen over Lone Rock in Skull Valley, Utah. 

This photo was taken around the time of the Mariner 4 launch to Mars, which launched on 28 November 1964. 

From the Cassini spacecraft's perspective, Saturn's moon Dione passes in front of the moon Tethys in this mutual event. These three images were each taken about one minute apart. These images are ...

In this view captured by NASA's Cassini spacecraft on its closest-ever flyby of Saturn's moon Mimas, large Herschel Crater dominates Mimas, making the moon look like the Death Star in the movie "St...

The Helioseismic Magnetic Imager (HMI) aboard the Solar Dynamics Observatory takes a series of images every 45 seconds in a very narrow range of wavelengths in visible light of the solar photospher...

As artful as it is informative, this captivating portrait captures Saturn's wispy moon Dione over the shoulder of smoggy Titan in a single inspiring scene. Dione is 1,118 kilometers (695 miles) acr...

+ Xanadu's Channels and Dunes + Related image In a sweeping mosaic of the low latitudes of Saturn's moon Titan, the bright landmass of the enigmatic region known as Xanadu stands ou...

NASA's Dawn spacecraft obtained this image of a young and old crater at the night and day boundary on asteroid Vesta. The image has a resolution of about 260 meters per pixel.

NASA's Cassini spacecraft has delivered a glorious view of Saturn, taken while the spacecraft was in Saturn's shadow.

The MESSENGER spacecraft has captured the first portrait of our Solar System from the inside looking out.