* Astronomy

Antarctic lake's clue to alien life

The discovery of microbes thriving in the salty, sub-zero conditions of an Antarctic lake could raise the prospects for life on the Solar System's icy moons.
Researchers found a diverse community of bugs living in the lake's dark environment, at temperatures of -13C.
Furthermore, they say the lake's life forms have been sealed off from the outside world for some 2,800 years.
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