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But it won’t arrive until 2031 and that’s only one icy world that could be home to life — most recently, it was reported that Miranda, a moon of Uranus, might be another candidate for extremophile life that can flourish under intense cold.

In ACS' Journal of Proteome Research, researchers detail a method for more accurate extremophile identification based on protein fragments instead of genetic material.

These extremophile microbes are of interest to astrobiologists who are searching for life on other planets.

So, Ralf Moeller and colleagues investigated whether they could identify an extremophile by using its protein signature rather than a gene sequence.

For the three microorganisms that gene sequencing failed to identify because their genetic information wasn't in the available database, proteotyping identified two potentially new types of extremophile bacteria.