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Our journalists and guest bloggers bring you stunning imagery and the space stories that matter most.

Dark No More: Exploring the Far Side of the Moon

Bill Dunford • April 29, 2013 • 3

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 • 2

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 • 3

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 • 2

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 • 5

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

Visiting Viking at Seattle's Museum of Flight

Tom Dahl • November 14, 2012

One of the nicest aerospace museums in the United States is the Museum of Flight, outside Seattle, Washington. I traveled cross-country in order to visit the "Flight Capsule 3" Viking lander, a backup unit that was never completed. Its partially built state exposes its internal structures, making it a boon to study.

A Night To Remember: Celebrating Carl Sagan

Mat Kaplan • November 13, 2012 • 1

On the evening of November 9, which would have been Carl Sagan's 78th birthday, the Planetary Society brought together some of his best friends to share their memories. We were also joined by four young scientists whose career choices were influenced by Carl.

Join Our Sagan Celebration

Mat Kaplan • November 09, 2012 • 2

The Planetary Society has invited a few friends of Carl Sagan's to a celebration of his birth and his legacy. Watch the live webcast featuring physicist Kip Thorne, Contact Executive Producer Lynda Obst and much more!

Curiosity, Endeavour, and Bill Nye on Your Phone

Mat Kaplan • November 07, 2012

This week's Planetary Radio episode presents highlights of the first Curiosity press briefing about the Martian atmosphere, and then takes you to the opening day ceremony for Shuttle Endeavour. You have till Friday, November 9, at 10am Pacific to send your 10th anniversary message to the show and possibly win Bill Nye on your answering machine.

An unheralded anniversary

Emily Lakdawalla • August 28, 2012 • 16

Yesterday, August 27th, 2012, was, in a sense, the 50th anniversary of interplanetary travel. Fifty years ago yesterday, Mariner 2 launched toward Venus, and became the first object to leave Earth and travel to another world.

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