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Stories, updates, insights, and original analysis from The Planetary Society.

The Realm of the Ice Giants

Imagine 2 icy worlds far from the Sun. Their serene, blue atmospheres. Huge, ominous-looking storms. Tantalizing glimpses of moons with exotic, icy terrains. Delicate sets of encircling rings.

My 18-Month Affair With Titan

Ian Regan, producer of the Titan segment of In Saturn's Rings, describes the meticulous process of creating the stunning visuals of this shrouded moon.

NASA Then & Now

A collection of before and after slider images showing how views of planets in our solar system have changed over the years since NASA was created.

How long is a day on Saturn?

One of the Cassini mission's goals was to figure out how long a day on Saturn is. We still don't know. A new paper reports a measurement of the rotation period of Saturn that is different from past measurements.

Moon Monday: Prometheus

Happy Monday! Here's a picture of Prometheus. You may think it's a picture of Saturn. Look hard, toward the bottom, and you'll see Prometheus, doing its part to keep the F ring in line.

A new storm on Saturn!

On March 29, vigilant astronomer Maciel Bassani Sparrenberger discovered that a new bright spot had broken out in Saturn's high northern latitudes.

#LPSC2018: Titan Is Terrific!

Emily's first report from the Lunar and Planetary Science Conference is on the solar system's most atmospheriffic satellite, Saturn's moon Titan.

Cassini: The dying of the light

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.

Saturn's small satellites, to scale

Emily shares another of her popular size comparisons of solar system bodies, taking advantage of Cassini's recent views of Saturn's tiniest moons.

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