Replying to There's life on Mars.

For 2 reasons:

This week's announcement of flowing water means it has been present subsurface and liquid for probably billions of years.

NASA's orbiting probes equipped with spectrometers have been detecting annual methane come and go with no clue where it originates. Methane disappears in space, and in the Mars summer season there's methane on the surface. Methane is highly associated with life as a byproduct of breaking down food and wouldn't appear in regular annual cycles with no relation to the sun if it were geological. Boom.

Where's your God now?

Discuss.