NASA May Plumb For Signs Of Life In Enceladus' Plumes

Saturn’s far-flung moon of Enceladus may offer the next best hope for finding life elsewhere in our solar system, astrobiologists now say. Two potential mission proposals to Enceladus are under discussion for launch as early as next decade to sample its giant geyser-like plumes spewing from what is thought to be a liquid-water subsurface ocean.