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Cassini’s Last Dance With Saturn: The Farewell Mosaic

Ian Regan • October 10, 2017

Amateur image processor Ian Regan shares the story of processing Cassini's final images of the ringed planet.

Fall 2017 issue of The Planetary Report now available

Donna Stevens • September 27, 2017

The Fall 2017 issue of The Planetary Report is in the mail and available online now to our members!

Cassini: The dying of the light

Emily Lakdawalla • September 15, 2017

Cassini is no more. At 10:31 according to its own clock, its thrusters could no longer hold its radio antenna pointed at Earth, and it turned away. A minute later, it vaporized in Saturn’s atmosphere. Its atoms are part of Saturn now.

Voyager 40th anniversary: Revisiting the Voyagers' planetary views

Björn Jónsson • August 30, 2017

Björn Jónsson argues that even now, 40 years after Voyager 1 and 2 were launched, a lot of the data they returned is still of high interest.

Cassini's 'Grand Finale' Portrait of Saturn

Ian Regan • May 16, 2017

Amateur image processor Ian Regan shares a stunning mosaic of Saturn in all its ringed glory.

Saturn and Titan in the Milky Way

Emily Lakdawalla • May 08, 2017

An unusual photo of Saturn by astrophotographer Damian Peach shows the planet and its largest moon nestled among the star-filled lane of the Milky Way.

Trusty Cassini survives first dive between Saturn and its rings

Emily Lakdawalla • April 28, 2017

Cheers erupted in the Von Karman auditorium at the Jet Propulsion Laboratory early Thursday morning as a squiggly green line on a graph developed a crisp, tall peak, signifying that the Cassini spacecraft was calling home after surviving its first plunge between Saturn and its ring system.

This weekend, it's the beginning of the end for Cassini

Jason Davis • April 19, 2017

NASA's long-lived Cassini spacecraft is about to buzz Titan for the final time, putting it on course for a spectacular mission finale that concludes in September.

Another smoking gun in the search for life in Enceladus’ ocean

Franck Marchis • April 13, 2017

NASA's Cassini spacecraft sniffed out molecular hydrogen spewing from Enceladus' subsurface ocean. The discovery means Saturn's moon has all the basic ingredients needed to support life.

Cassini, with only a half-year to go at Saturn, just keeps dropping awesome images

Jason Davis • March 09, 2017

Our latest roundup of Cassini goodies from Saturn includes Pan, a ravioli-shaped moon that orbits inside the planet's ring system.

Did Voyager 1 capture an image of Enceladus' plumes erupting?

Ted Stryk • February 21, 2017

Amateur image processor Ted Stryk revisited Voyager 1 data of Enceladus and came across a surprise.

Saturn's Ring Particles

Judy Schmidt • January 05, 2017

Artist and astrophotographer Judy Schmidt brings us a view from within the rings of Saturn.

A week in the solar system

Jason Davis • November 10, 2016

A roundup of pretty pictures and news from our robotic ambassadors around the solar system, from November 4 through 8.

Oppositions, conjunctions, seasons, and ring plane crossings of the giant planets

Emily Lakdawalla • July 07, 2016

When are the solstices and equinoxes on the giant planets, and when are they best positioned for view from Earth? I ask these questions a lot as I write about Earth photos of giant planets, and I finally decided to gather the answers to those questions in a single post.

Three bright planets: Portraits from the Pyrenees

Emily Lakdawalla • May 26, 2016

It's a great time to go outdoors and look at planets. I have three glorious planetary portraits to share today, sent to me by amateur astronomer Jean-Luc Dauvergne.

New work with 35-year-old data: Voyagers at Ganymede and Saturn

Emily Lakdawalla • May 25, 2016

The Voyager data set is a gift to Earth that keeps on giving. This week, I've seen three great new images processed from this old data set.

Watch the entire Cassini mission image catalog as a movie

Emily Lakdawalla • November 20, 2015

If you were to download the entire catalog of photos taken at Saturn to date by Cassini and then animate them like a flipbook, how long would it take to watch them all pass by? The Wall Street Journal's Visual Correspondent Jon Keegan has your answer: nearly four hours.

Take My Free Online College Introduction to Planetary Science and Astronomy CSUDH Class

Bruce Betts • February 04, 2015

Our own Dr. Bruce Betts is once again teaching his Introduction to Planetary Science and Astronomy college course online. Come join him.

Flawed Beauties

Bill Dunford • February 02, 2015

More examples of imperfect--but tantalizing--images from deep space.

Riding With Cassini Through 2014

Bill Dunford • December 31, 2014

Video: see some of the sights Cassini saw this year.

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