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Physics rarely yields finite answers, but that doesn’t deter scientists.
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Jupiter is more than the biggest planet in our solar system—it's also the oldest.
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Cassini plunges into Saturn, marking the end of its 13-year mission.
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Astrophysicist Priya Natarajan has loved atlases and maps since she was a little girl.
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Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?
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Our next door neighbor is most like Earth in terms of size and mass.
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Can scientists stomach hours of spider sex in order to understand their language?
