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

The Solar System According to Carolyn Porco

The leader of the Cassini spacecraft imaging team discusses pale blue dots, life on Enceladus, terraforming Mars, Pluto, Carl Sagan, and more.

Voyager Wide-Angle Views of Jupiter

Last month marked the 40th anniversary of the historic Voyager 1 encounter with Jupiter in 1979.

The subtle color difference between Uranus and Neptune

The color of Uranus and Neptune is similar, but not identical. Uranus appears greener and Neptune bluer.

News brief: Voyager 2 has passed beyond the heliopause

Voyager 2 is now outside the reach of the solar wind, traveling in the interstellar medium. Unlike Voyager 1, Voyager 2 has a working plasma spectrometer so will be doing exciting new science. It is expected to last another 5 to 10 years, though not with all instruments operating.

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.

Space grade electronics: How NASA’s Juno survives near Jupiter

Take a look at how electronics of spacecraft are built to survive the harshness of space environments.

Moon Monday: Tethys from Voyager

To start the week, Voyager 2's best image of Tethys.

Voyager 40th Anniversary: Summer of '79

Planetary scientist Paul Schenk shares his story of working on the Voyager missions as a JPL intern back in 1979.

Voyager 40th anniversary: Reflecting on the pale blue dot

Today is the 40th anniversary of the launch of Voyager 1. Four decades later, both spacecraft survive, still producing science, still working on their interstellar missions. On the occasion of the anniversary, we revisit Carl Sagan's reflections on the significance of the Voyager missions.

Voyager 40th anniversary: Revisiting the Voyagers' planetary views

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.

Voyager 40th Anniversary: Watching an Alien World Turn

In 1979, both Voyager missions captured thousands of photos of Jupiter as frames of movies of the giant planet spinning among its moons. In honor of the mission's 40th launch anniversary, Ian Regan has reprocessed the data to produce stunning new movies.

Voyager 40th anniversary: The Planetary Report's chronicles

In honor of the 40th anniversary of the Voyager missions, we're making publicly available seven back issues of The Planetary Report that chronicled the grand tour of the giant planets.

Voyager 40th anniversary: The transformation of the solar system

The Voyager missions transformed most of the large worlds of the solar system from points of light into places to be explored.

Celebrating the 40th anniversaries of the Voyager launches

Sunday, August 20 marks the 40th anniversary of the launch of Voyager 2. Tuesday, September 5, will be the 40th anniversary for Voyager 1. Throughout the next three weeks, we'll be posting new and classic material in honor of the Voyagers. Here's a preview.

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

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

Some beautiful new (old) views of Neptune and Triton

Beautiful new amateur work with 27-year-old Voyager data.

A deep dive into the highest-resolution Voyager Jupiter data

A few weeks before the first Juno high resolution imaging, I decided to take a look at Voyager color images at various resolutions, with particular attention to high-resolution mosaics.

Jupiter's Clouds: A Primer

With Juno arriving at Jupiter, Justin Cowart gives us a lesson on the giant planet's varied cloud patterns.

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

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.

Space Exploration: Leaving the Earth to Understand It

Looking back at Earth from beyond helps to give perspective on our place in the cosmos.

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