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A handout artist’s impression released by ESA/Hubble shows the K2-18b super-EarthA handout artist’s impression released by ESA/Hubble shows the K2-18b super-Earth (AFP Photo/M. KORNMESSER)

Paris (AFP) – Water has been discovered for the first time in the atmosphere of an exoplanet with Earth-like temperatures that could support life as we know it, scientists revealed Wednesday.

Eight times the mass of Earth and twice as big, K2-18b orbits in its star’s “habitable zone” at a distance — neither too far nor too close — where water can exist in liquid form, they reported in the journal Nature Astronomy.

“This planet is the best candidate we have outside our solar system” in the search for signs of life, co-author Giovanna Tinetti, an astronomer at University

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