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

Why haven't we found evidence for life starting in asteroids?

Emily Lakdawalla • May 10, 2011

Here's a theoretical paper that asks an interesting question: When the solar system was very young and still very hot, could medium-sized asteroids have been habitable abodes for life?

Phobos LIFE gets a ride on Endeavour as Shuttle LIFE!

Emily Lakdawalla • March 25, 2011

The Planetary Society is contributing this thing called the Living Interplanetary Flight Experiment (LIFE) to Russia's Phobos sample return mission -- it's basically a sealed puck with dormant microbes inside that'll fly to Mars and back in the return capsule, and biologists will take a look to see what damage the little bugs suffered during their space journey.

Best "Arsenic and Odd Life" coverage

Emily Lakdawalla • December 03, 2010

Last night I asked via Twitter for recommendations for articles that did the best job explaining the significance of the work, by people who actually read the relevant paper in Science.

Arsenic and Deep Space?

Bill Nye • December 02, 2010

If you or I ingest arsenic, well...it doesn't go so well. If you are, on the other hand, a certain species of bacterium from Mono Lake, California, ingesting this seemingly toxic metal is simple enough.

Update from the Ozma@50 Workshop

Jon Lomberg • September 16, 2010

Frank Drake used the 85' radio telescope at Green Bank to conduct the first modern Search for Extraterrestrial Intelligence in 1960. Using a very simple receiver and no computers, he listened to each of two sunlike stars for 100 seconds. Call that unit 1 Ozma.

More from the Ozma@50 Workshop

Jon Lomberg • September 14, 2010

Today's sessions at the Ozma@50 conference stretched the mind as these multidisciplinary gatherings usually do.

Jaded by Mars Organics

Ryan Anderson • September 11, 2010

So, you may have heard the news making the rounds last week that a new analysis of the Viking data suggests there may actually be organics and (dare I even say it?) life on Mars! Yawn. Consider me underwhelmed.

Reports from the 2009 arctic Mars analogue Svalbard expedition

Juan Diego Rodriguez-Blanco • October 06, 2009

The expedition's goals were to integrate and test two new instruments for NASA's Mars Science Laboratory rover and four for ESA's ExoMars rover.

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