Warm Water Has Existed on Saturn’s Moon Enceladus for Potentially Billions of Years

If you were to fly over Enceladus’ southernmost regions, you’d witness a remarkable sight. With surprising frequency, this ice-covered moon spurts a plume of water into space—a telltale sign that a global ocean lies underneath. Scientists have struggled to explain how such a tiny moon could sustain enough energy to…

Hubble Observations Suggest Water May Be Abundant on Outer TRAPPIST-1 Planets

From the moment that seven Earth-sized planets were discovered in orbit around TRAPPIST-1—an ultracool dwarf star located 39 light years away—astronomers have been busy trying to learn everything they can about this intriguing star system, particularly its potential to foster life. Recently, an international team of…

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