Radar Mapping Titan

January 2021 skywatching highlights: Begin the new year with "perihelion," then catch a glimpse of elusive Uranus and Mercury later in the month.

This audio clip was created from radio signals received by the radio and plasma wave science instrument on the Cassini spacecraft.

On February 24, 1987, observers in the southern hemisphere saw a new object in the Large Magellanic Cloud, a small satellite galaxy to the Milky Way. This was one of the brightest supernova explosi...

With kaleidoscopic forms and hues, these two false-color views from NASA's Cassini spacecraft show the patterns that come and go in the course of one Saturn day within the huge storm in the planet'...

The tumbling and irregularly shaped moon Hyperion rotates away from the Cassini spacecraft in this movie taken during a distant encounter in Dec. 2005.

The most prominent jets of vapor and icy particles emerging from the south polar terrain of Saturn’s moon Enceladus are shown here in graphical form in a movie clip of a “rotating” Enceladus.

Seeking skywatching highlights in June 2020? Look for the Summer Triangle, keep tabs on the morning planets and June 20 brings the solstice.

Classic video explaining the history, debate and continuing discussion of the definition of a planet.

How can you communicate with Mars spacecraft when the Sun is in the way? Learn more about 'solar conjunction' in this 60-second video.

Great Red Spot

Bands of eastward and westward winds on Jupiter appear as concentric rotating circles in a movie composed of Cassini images which have been reprojected to appear as if the viewer were floating over...

Take a flight over dwarf planet Ceres in this video made with images from NASA's Dawn spacecraft.

This still from a movie shows an image taken by NASA's Dawn spacecraft layered on a digital terrain model of an unusual hill containing a dark-rayed impact crater and nearby dark deposit on asteroi...

Team members reflect on what has made the NASA/ESA Cassini mission such an epic journey—the extraordinary spacecraft, tremendous science and historic international collaboration.

This movie shows what it was like for NASA's Stardust spacecraft to fly by comet Tempel 1.

As the moon Enceladus eclipses its neighbor Mimas, Cassini records a scene possible only around the time of Saturn's approaching equinox.

Ring World Highlights  

NASA's Dawn is the first spacecraft to orbit two extraterrestrial targets.

Credit: NASA's Goddard Space Flight Center

This movie from Cassini, made possible only as Saturn's north pole emerged from winter darkness, shows new details of a jet stream that follows a hexagon-shaped path and has long puzzled scientists.

Perseverance has a twin: Meet OPTIMISM

This movie is made up of over 600 consecutive images taken on March 16 to March 18, 2007, with the Cassini Magnetopsheric Imaging Instrument's ion and neutral camera.

This video shows the scientists' best guess to date of what the surface of the protoplanet Vesta might look like.

The little moon Daphnis and its entourage of waves on the edge of the Keeler gap in Saturn's rings cast long shadows in this movie created from images taken as the planet approaches its mid-August ...

On March 6, the Dawn spacecraft will slip into orbit around Ceres, a dwarf planet located in the main asteroid belt.