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

Seeing Ourselves in Space

When we look at our planet, look for life, or direct a rover to look at itself, we see ourselves in new ways.

Solar System History 101

How did our solar system come to be? Why are the planets, asteroids, comets, and other small worlds where they are now?

The Next 10 Years

Six scientists share the major planetary science discoveries of the past decade, and the questions that will drive the next 10 years of solar system exploration.

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.

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.

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.

12 ... 7 >