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Planetary Radio: Ten Years A Roving: The Mars Exploration Rovers

Mat Kaplan • December 24, 2013

This week's show looks back over ten years of exploration by Spirit and Opportunity. Writer A.J.S. Rayl recounts the challenges encountered early in the mission, and how an outstanding team triumphed.

The Sorry State of Planetary Science Funding In One Chart

Casey Dreier • December 09, 2013

If you want to know why Cassini might be terminated early, or why NASA pulled out of its joint Mars mission with Europe, or why the new ASRG power source was put on indefinite hold, this chart has your answer.

Cosmos with Cosmos Episode 7: The Backbone of Night

Casey Dreier • December 03, 2013

We return to the big idea of the series – that the universe can be known and we better ourselves in our efforts to understand it – in the best episode of Cosmos so far.

The Mariner Mars Globe

Don Davis • November 29, 2013

In 1971 I was being trained to work with the airbrush by the map artists at the U.S. Geological Survey's Branch of Astrogeologic Studies in Flagstaff. However, the project I ended up spending about a quarter of a man-year on was a hand-painted map globe of Mars.

Cosmos with Cosmos Episode 6: Travellers' Tales

Casey Dreier • November 25, 2013

The Voyager mission may be the ultimate expression of our desire to explore, but why does that will exist in the first place? Why is it unique to humans?

Cosmos with Cosmos Episode 5: Blues for a Red Planet

Casey Dreier • November 12, 2013

Episode 5 focuses on Mars, the planet that has stubbornly refused to conform to the wishes of humanity for hundreds of years, from Lowell to Sagan. Grab your cosmo and join our discussion of 'Blues for a Red Planet.'

Cosmos with Cosmos Episode 4: Heaven & Hell

Casey Dreier • November 04, 2013

Humans face the consequences of our own knowledge about the cosmos in this latest episode recap and analysis of Carl Sagan's classic series.

Creating Life on a Gas Giant

Adolf Schaller • November 02, 2013

Adolf Schaller, an artist on the original Cosmos series, shares his experience of creating the painting, "Hunters, Floaters, and Sinkers" from Episode 2, which speculates about the possible life living in the turbulent atmosphere of a gas-giant planet.

Cosmos with Cosmos Episode 3: The Harmony of the Worlds

Casey Dreier • October 29, 2013

We continue our analysis of Cosmos as we jump back in time to see the birth of modern science with Johannes Kepler or, as Sagan calls it, the first fusion of "imagination with observation." Welcome to Episode 3: The Harmony of the Worlds.

Voyager: A Tribute

Stephen J. Pyne • September 25, 2013

The Voyagers were special when they launched. They have become more so thanks to their longevity, the breadth of their discoveries, the cultural payload they carried, and the sheer audacity of their quest.

Mars, Old and New: A Personal View by Bruce Murray

Jennifer Vaughn • September 03, 2013

An interview with Bruce Murray from 2001 about his perspectives on Mars science and exploration: past, present, and future.

I Remember Bruce Murray

Mat Kaplan • September 03, 2013

This week's Planetary Radio is a tribute to the Planetary Society's co-founder, Chairman and President. Mat provides a more personal tribute in this blog post.

Remembering the Pluto Campaign: A Success Story

Casey Dreier • July 22, 2013

The New Horizons mission to Pluto survived many near-death encounters with cancellation during its development. The Planetary Society worked the whole time to ensure it would launch.

The Peak of Discovery

Mat Kaplan • July 16, 2013

This week's Planetary Radio goes on tour at the Mount Wilson Observatory with descendants of its founder.

A patriotic return to space

Jason Davis • July 03, 2013

When Space Shuttle Discovery launched on its 1988 return-to-flight mission, it was a big moment for NASA and America.

Dark No More: Exploring the Far Side of the Moon

Bill Dunford • April 29, 2013

The first human beings to see the mysterious "dark" side of the moon were not astronauts.

Awesome interactive solar system exploration history infographic

Emily Lakdawalla • April 25, 2013

Check out this absolutely wonderful infographic, produced by Olaf Frohn, that summarizes the entire history of solar system exploration.

Vermin of the Sky

Louis D. Friedman • February 19, 2013

Executive Director Emeritus Louis Friedman writes about Asteroid programs of The Planetary Society.

Galileo Messengers: Cruise to Venus, Earth, Gaspra, Earth, Ida, and almost to Jupiter

Emily Lakdawalla • February 05, 2013

It's taken me a year to face the emotionally draining task of reading and writing about Galileo's cruise phase as chronicled in the mission's newsletters.

Blast from the past: Mariner 4's images of Mars

Emily Lakdawalla • December 10, 2012

While hunting for photos to use in a presentation, I came across a couple of different amateur takes on the Mariner 4 photo catalog.

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