it was reported that there’s evidence of warm lakes under europa’s crust. europa being a moon of jupiter, not some post-apocalypse 1984 version of europe:

A new theory explains these vast “chaos terrains” as the tips of subsurface lakes that well up and warm the surface. The existence of such lakes would thrill scientists seeking life beyond Earth, a group long drawn to Europa.

“Europa has the best chance of having life there today,” said Britney Schmidt, who studies the moon at the University of Texas at Austin and led the new study appearing in the journal Nature.