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NASA is returning to Venus to learn how it became a hot poisonous wasteland – and whether the planet was ever habitable in the past

Two new NASA missions hope to answer important questions about Venus’ past. NASA/JPL/USGS Paul K. Byrne, North Carolina State University NASA is finally headed back to Venus. On June 2, 2021, NASA Administrator Bill Nelson announced that the agency had selected two winners of its latest Discovery class spacecraft mission competition, and both are headed

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Water world: Arizona scientists on new evidence, questions about life on Mars

Planetary scientists have confirmed the existence of a large saltwater lake under the icy surface of Mars, and they discovered three more lakes beneath the red planet’s south pole. The discovery, which was published in the journal Nature Astronomy in September, is based on radar data obtained from the European Space Agency’s Mars Express spacecraft.

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