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06 August 2008
Perchlorate on Mars Could be Potential Energy Source for Life; Phoenix Team Fires Back at Alligations
It's been a busy few days for the Phoenix Mars lander rumour-mill. On Friday, an article was published in Aviation Week reporting an undisclosed source from the NASA team analysing results from the Microscopy, Electrochemistry, and Conductivity Analyzer (MECA) had come forward saying Phoenix scientists were in communication with the White House. Apparently there had [...]
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26 May 2008
Life Found a Mile Below Terrestrial Seabed; Implications For Life on Mars
We all know how hard life can be, but spare a thought for the microbes recently discovered 1.6 kilometres (1 mile) below the seabed off the coast of Canada. The living conditions are cramped, the environment is a searing 100°C (212F), and yet these hardy cells appear to be thriving. In the midst of the [...]
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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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16 February 2008
Finding "Tightens the Noose on the Possibility of Life" on Mars
So far, the Mars Exploration Rover (MER) Mission has turned up very little evidence that there is, or was, life on the Red Planet. Even more bad news is on the way from data sent back from NASA rovers Opportunity and Spirit - it would seem that the planet is "too salty" for even the [...]
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08 February 2008
Extremophile Hunt Begins in Antarctica, Implications for Exobiologists
An expedition has set off for Antarctica's Lake Untersee in the quest to find bacteria living in one of the most extreme environments on Earth. The bacteria-hunting team are looking for a basic lifeform in a highly toxic location. Resembling the chemistry of Mars, moons of Jupiter and Saturn, even comets, the ice-covered lake may [...]
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09 January 2008
Earth, Barely Habitable?
Our home planet has been often described in glowing, nurturing terms. A cradle for life, right in the goldilocks zone. But our planet is actually right on the edge of habitability. If it were any smaller, and a little less massive, plate tectonics might never have gotten started. It turns out, life needs plate tectonics.
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