It might be an overhyped bit of scientific minutiae, but NASA's astrobiology team plans to have an important announcement for today, Thursday, December 2. All NASA will say about the press conference is that it will "discuss an astrobiology finding that will impact the search for evidence of extraterrestrial life."
Brad Sylvester of "Space Matters" via Yahoo News offers his best guess: "My guess, and it is only a guess, is that a new chemical basis for life has been modeled resulting in the discovery of a unique chemical signature that, if found in an extraterrestrial rock (or a terrestrial rock, for that matter), would be a smoking gun for the past presence of this type of life. Perhaps, they have even actually found such evidence, either with a visual examination of martial soils by the rovers, or in meteorite fragments found in the arctic."
Brad Sylvester's article here
Megan Levy of New Zealand's Stuff online reviews and shares rebuttals of some of the rumors here including those stoked by Blogger Jason Kottke's website here
The NASA News Conference is scheduled for 2 PM, Eastern Standard Time. Official NASA site here
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