Researchers have solved a decades-old mystery of "missing matter"—material long predicted to exist in the universe but never detected—until now.
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Satellite galaxies orbiting the Milky Way galaxy may give researchers insight into dark matter and even the origins of our universe.
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A new report digs into plans to protect our planet from alien microbes or cross-contamination from other worlds, also known as "planetary quarantine."
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The Parker Solar Probe data clarifies the sun's magnetic activity—and may bolster our ability to predict dangerous solar wind events, researchers say.
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If you think social distancing is tough, imagine doing it in space. Veteran astronaut Michael E. Fossum offers some tips on coping with isolation.
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Tiny nanocardboard probes that weigh less than a fruit fly could levitate through the Martian skies to gather data.
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"Trial and error" doesn't work for testing whether rocket engines can handle flight. A new machine learning method could make things simpler and safer.
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The Milky Way may be catapulting stars into its outer galactic halo, researchers say. The finding could change how we think about how star systems are born.
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