2015.11.30

Europa's “Brown Gunk” Suggests a Briny Sea

Alien life may flourish in subsurface oceans on Jupiter's Europa, but another of the icy moon's secrets is displayed in plain view: a mysterious

COURTESY OF NASA, JPL-LEE ROGERS G ETTY IMAGES CALTECH AND SETI INSTITUTE

COURTESY OF NASA, JPL-LEE ROGERS G ETTY IMAGES CALTECH AND SETI INSTITUTE

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