Science News / Planetary Science

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In This Issue

Let’s Get Vertical: City buildings offer opportunities for farms to grow up instead of out
Dead — but not duds: White dwarfs shed light on physics and the fate of the cosmos
The Science Vote: Science News runs down what the two presidential candidates and their campaigns have been saying about science and technology issues.
This week's table of contents

:: Planetary Science

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Water's role in Martian chemistry becoming clearer

As mission nears end, Phoenix Mars Lander finds strong evidence for minerals similar to those formed on Earth by liquid water.
Found in: Atom & Cosmos and Planetary Science
Saturn's rings may not be as young as they look

Saturn's rings might be more massive, and thus older, than researchers had believed.
Found in: Astronomy, Atom & Cosmos and Planetary Science
Racing against the Martian winter

With solid findings under its belt and the Martian summer waning, the Phoenix Mars lander perseveres in its study of the soil and sky of the planet’s arctic plain.
Found in: Atom & Cosmos and Planetary Science
Cassini finds liquid ethane on Titan

After years of speculation, planetary scientists have now confirmed that Titan has at least one lake made of liquid ethane.
Found in: Atom & Cosmos and Planetary Science
Tasting ice

Phoenix Mars Lander drills for ice.
Found in: Atom & Cosmos and Planetary Science
Impact may have transformed Mars

Three teams suggest that a huge object slammed into Mars, giving the planet an unusually dualistic topography.
Found in: Atom & Cosmos and Planetary Science
Surprise found in comet dust

Scientists find an odd mineral that could offer clues to the solar system's origins.
Found in: Earth and Planetary Science
Visions of dirt

Phoenix Lander gets first close-up of Martian soil.
Found in: Astronomy and Planetary Science
See More In Planetary Science

Sights and Sounds

Photography

Blogs:

Science & the Public By Janet Raloff Oct 3rd 2008

Columns:

Math Trek By Julie Rehmeyer
The U.S. News &World Report rankings of colleges and universities are largely arbitrary, according to a new mathematical analysis. Oct 3rd 2008

Comment By Guest Columnists
From the October 11, 2008 issue of Science News Sep 26th 2008

SN Bookshelf:

Book Review: Physics for Future Presidents: The Science Behind the Headlines by Richard A. Muller
Review by Heather Benjamin
Buy now | More Books