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

A new map of Mars from some pretty old data

The United States Geological Survey recently issued an improved version of the Viking color map of Mars. This 40-year-old data set still provides the prettiest global-scale map of the planet.

A Spin Through the Inner Solar System

Animated maps of the planets show the spheres in motion.

Noachian, Hesperian, and Amazonian, oh my! --Mars' Geologic Time Scale

The Martian Geologic Time Scale is a lot more complicated than the Moon's.

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

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

A Different Angle on Mars

A new slant on Martian landscapes from Mars Global Surveyor.

Book Review: The International Atlas of Mars Exploration, by Phil Stooke

I've been waiting for the publication of this book for years. Phil Stooke's International Atlas of Mars Exploration, just published by Cambridge University Press, is an exhaustively awesome labor of love, chronicling the first five decades of Mars exploration in pictures, maps, and facts.

Mars Exploration Family Portrait

Jason Davis put together this neat summary of the checkered history of Mars exploration.

Bringing MOLA altimetry tracks into Google Mars

I've had a fun morning of noodling around learning how to write KML files, and have produced one for Google Mars that shows you all of the Mars Orbiter Laser Altimeter tracks that cross the area Opportunity has driven through already, as well as the area of Endeavour crater.

One month, one journal, so many missed space stories!

Or: Emily reads you the table of contents of Icarus.

Big hunks of carbonate rock on Mars at last

Carbonate rocks should be all over Mars. But it's been hard to find carbonates—surprisingly so.

Find pics and track the rovers in Google Mars

I think a goodly proportion of you readers have already figured this out for yourselves since it was launched last March, but I didn't download and install it until last weekend, so this is new to me: Google Mars is awesome.

Your chance to shoot your own high-resolution pictures of Mars

The HiRISE public suggestion tool, called HiWish, is a Web site that allows you to log in and select a spot on Mars as a suggestion for where the HiRISE instrument should take an image.

Buttoning up the Mars Orbiter Camera science investigation

The science team for Mars Orbiter Camera, or

Mapping Mars, now and in history

Planetary cartographer Phil Stooke has been working on a cool project to compose and compare maps of Mars that show how we saw the planet throughout the Space Age.

Why is only half of Mars magnetized?

An article in the September 26 issue of Science neatly explains why only the southern half of Mars is strongly magnetized.

White Rock through the ages: Mars Global Surveyor (1997-2006)

We first spotted the strange bright feature colloquially known as

Finding images from Mars

There have been so many missions to Mars, which have sent back so much data, that figuring out how to find images of places on Mars can be really overwhelming.

Still no word from Mars Global Surveyor

It's now been nine days since Mars Global Surveyor was last heard from.

Martian Orbiter Takes Pictures of Neighboring Crafts Passing By

During April 2005, the Mars Global Surveyor happened to pass relatively close to Odyssey and Mars Express. What resulted were remarkably clear pictures of human-made spacecraft orbiting and alien world.

Space is vast. There's a lot of exploring to do.

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