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03 November 2008
Mars Methane Mystery Still Beckons
We've known about the methane in Mars' atmosphere for over four years now. But we don't know where it is coming from. On Earth, methane is produced from biological agents: rotting vegetation or flatulence from large animals like cows. But, of course, with our extensive explorations of Mars with rovers and high-resolution [...]
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18 July 2008
How Future Missions Could Detect Organisms Inside Rocks on Mars
[/caption] For a geologist, looking inside a rock is essential to help determine the makeup and history of the rock sample. That's why geologists have rock hammers, and also why the Mars Exploration Rovers, Spirit and Opportunity, have their Rock Abrasion Tool. For future missions to Mars, or even for a sample return mission, [...]
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13 May 2008
Imminent Discovery of Life On Mars?
Do you think there is life on Mars? Do you think Phoenix will find evidence of it? Now there's a blog that's trying to collect a snapshot of the opinions of scientists, amateurs, and everyday people. "Imminent Discovery" thinks Phoenix may find simple life. Finding this evidence will definitely become headlines… If it [...]
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20 March 2008
Salt Deposits on Mars Might Be the Right Place to Search for Life
Researchers announced today that they have discovered large salt deposits on the surface of Mars. These deposits point to places where large quantities of water existed on the surface of the Red Planet, perhaps for millions of years. And this might be some of the best places to go looking for evidence of life, past [...]
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12 December 2007
Building Blocks of Life Can Form on Cold, Rocky Planets — Anywhere
Our old friend and headline-maker is back in the news. Meteorite ALH 84001, the Mars rock that sent the world of astrobiology into a tizzy back in 1996, hasn’t been just sitting around collecting dust. Researchers have been re-examining the famous meteorite in an effort to learn more about the early history [...]
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26 September 2007
These are Tough Microbes, But They Don't Come from Mars
You know the cliche, wherever we find water here on Earth, we find life. But what if the environment is really hostile? So hostile that any living creature would almost never see water. And even when there was water, they were constantly being blasted with radiation. Amazingly, there's a microbe out there, Deinococcus geothermalis, that [...]
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