Could Life Exist on Mars with the Discovery of Flowing Water?

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The discovery of flowing water on Mars raises the possibility of life, even in microscopic forms, despite the water being a highly salty sludge rather than a typical stream. This environment, which only appears under specific temperature and pressure conditions, parallels extreme habitats on Earth where life thrives. Over the past 30 years, research has shown that life can survive in remarkably harsh conditions, suggesting that ruling out Martian life would be premature. The discussion also questions whether life requires more hospitable conditions to originate compared to merely existing, with some suggesting that extremophiles may have evolved from less extreme ancestors. Overall, the potential for life on Mars remains an intriguing area of exploration.
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Does discovery of flowing water on Mars means that life even in microscopic form is possible ?
 
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It's always been possible however improbable it was. The discovery of flowing water gives us a good place to look for life as we know it.
 
What has been discovered is not exactly flowing water like a stream on Earth.
It's more of a highly salty sludge which only appears when the temperature and pressure are just right.
Nevertheless it is water bearing salty sludge and life is known to exist in similarly extreme conditions here on Earth.
 
I think it's fair to say that over the past 30 years or so we have discovered that life on Earth can survive under surprisingly difficult/extreme condition's. I think you would have to be brave to rule out any possibility of life on Mars based on current knowledge.
 
CWatters said:
I think it's fair to say that over the past 30 years or so we have discovered that life on Earth can survive under surprisingly difficult/extreme condition's. I think you would have to be brave to rule out any possibility of life on Mars based on current knowledge.

Is there any reason to think that life need conditions more hospitable to originate than to merely to exist in?
 
rollingstein said:
Is there any reason to think that life need conditions more hospitable to originate than to merely to exist in?
I think it's reasonable to assume that the best conditions for life to originate would not be in the sort of environments where extremophiles are found on Earth.
The reasoning being that the extremophiles we know of seem to be related to other less extreme organisms which have adapted to a more hostile environment.
Having said that though, the suitable conditions for life to originate could be quite various, there being no particular ideal temperature or suchlike.
 

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