[checoivan]

I'm really hoping to officially hear we're not alone :)

[kbatten]

Just make sure Will Smith is on alert.

[electromagnetic]

He covers the Alien/Robot/Zombie/Steampunk market, so I feel fairly secure.

[berntb]

As long as it is not Cthulhu presenting a paper on its dark matter(?) based biology! :-)

Could there be some analysis of Mars rover data? Or of Mars meteorites?

Telescopes aren't good enough yet to get absorption spectra for relatively complex molecules in atmospheres?