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Something supercharged Uranus with radiation during Voyager flyby 40 years ago. Scientists now know what.Forty years ago, Voyager 2 flew past Uranus and observed radiation levels that defied explanation. Now, scientists may finally know exactly what happened.
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Martian meteorite that fell to Earth is full of ancient water, new scans revealA new study has revealed that the iconic Black Beauty meteorite contains much more hidden water than previously suspected. The rock, which fell to Earth from Mars, could reveal clues about the Red Planet's watery past.
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Life-friendly molecules are leaking out of Jupiter's giant moon EuropaA new finding of ammonia on the icy surface of Jupiter's moon Europa could have important implications for the search for extraterrestrial life.
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'Textbooks will need to be updated': Jupiter is smaller and flatter than we thoughtJupiter is smaller and flatter than scientists previously thought, new measurements of the gas giant reveal.
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An ocean the size of the Arctic once covered half of Mars, new images hintMars may have been a "blue planet" with an ocean the size of today's Arctic Ocean, a new study suggests.
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Strange discovery offers 'missing link' in planet formationA decade of observations of four planets around the young planetary system V1298 Tau revealed a rare, long-sought missing link in planet formation.
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NASA's Mars Sample Return is dead, leaving China to retrieve signs of life from the Red PlanetNASA's plans for Mars sample return are effectively cancelled as part of a bill approved by the U.S. Congress, ending efforts to collect Perseverance rover samples that could contain evidence of alien life.
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Jupiter will outshine every star in the sky this weekend — how to see the 'king of planets' at oppositionJupiter reaches opposition on Jan. 10, when it will shine all night at its brightest as Earth moves between the giant planet and the sun.
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Uranus and Neptune may be 'rock giants,' not 'ice giants,' new model of their cores suggestsA new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.
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