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Posts Tagged "microbial life"

Expeditions

How do you build an observatory on the ocean floor?

Editor’s Note: University of Southern California geobiologist Katrina Edwards is taking part in a three-week drilling project at the Atlantic’s North Pond—a sediment-filled valley on the ocean floor—designed to locate and study what she calls the “intraterrestrials”: the myriad microbial life-forms living inside Earth’s crust. This post is a response to a question from a [...]

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Life, Unbounded

Rock-Eating Martian Microbes?

(Credit: White et al. 2014, NASA/JPL)

A recently published study of a 30-pound martian meteorite found in Antarctica suggests the presence of indigenous carbon-rich material, ancient water erosion, and a number of tiny structures that resemble the sort of features that we see rock-eating microbes leaving in basaltic glasses here on Earth. This rock, Yamato 000593, appears to have formed 1.3 [...]

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Life, Unbounded

Lake Vostok Water Ice Has Been Obtained

Vostok (Reuters)

Break out the vodka. The first confirmed sample of water from the subsurface Lake Vostok in Antarctica has been retrieved. Almost a year ago, in February 2012 Russian scientists and engineers drilled to a depth of nearly 4,000 meters in the ice above Lake Vostok – a 1,300 cubic mile volume of liquid water thought [...]

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Life, Unbounded

The Panspermia Paradox

Seed dispersal in the galactic garden? (Image adapted from A. Valavanis)

The notion of panspermia – the transferral of viable organisms between planets, and even between star systems, seems to be getting a bit more attention these days. One only has to open this previous week’s copy of TIME magazine and there it is, via a very nice piece by Jeffrey Kluger on ‘Aliens Among Us‘. [...]

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