What does Mars’ lake mean for the search for life on the Red Planet?

The water body, if confirmed, could potentially harbor microbes

Martian south pole

WHAT LURKS BENEATH  Scientists think they’ve spotted a lake hidden under ice (white) near Mars’ south pole, shown in an image from ESA’s Mars Express spacecraft.

ESA, DLR, FU Berlin (CC BY-SA 3.0 IGO)

The search for life on Mars just got a lot more interesting.