Has NASA discovered extraterrestrial life?

Here’s a curious press release from NASA:

NASA will hold a news conference at 2 p.m. EST on Thursday, Dec. 2, to discuss an astrobiology finding that will impact the search for evidence of extraterrestrial life. Astrobiology is the study of the origin, evolution, distribution and future of life in the universe.

I did a little research on the news conference participants and found:

1. Pamela Conrad (a geobiologist) was the primary author of a 2009 paper on geology and life on Mars

2. Felisa Wolfe-Simon (an oceanographer) has written extensively on photosynthesis using arsenic recently (she worked on the team mentioned in this article)

3. Steven Benner (a biologist) is on the “Titan Team” at the Jet Propulsion Laboratory; they’re looking at Titan (Saturn’s largest moon) as an early-Earth-like chemical environment. This is likely related to the Cassini mission.

4. James Elser (an ecologist) is involved with a NASA-funded astrobiology program called Follow the Elements, which emphasizes looking at the chemistry of environments where life evolves (and not just looking at water or carbon or oxygen).

So, if I had to guess at what NASA is going to reveal on Thursday, I’d say that they’ve discovered arsenic on Titan and maybe even detected chemical evidence of bacteria utilizing it for photosynthesis (by following the elements). Or something like that. (thx, sippey)

Update: According to Alexis Madrigal, the answer to the hyperbolic question in the headline is “no”.

I’m sad to quell some of the @kottke-induced excitement about possible extraterrestrial life. I’ve seen the Science paper. It’s not that.

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