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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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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Researchers have nailed down the origin of a fast radio burst from space, but their discovery also adds to the mystery of FRBs.
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"The velocity of the discovered star is so high that it will inevitably leave the galaxy and never return."
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Pulses of a fast radio burst from a distant galaxy lasted less than the time it takes to blink. But that was enough to get some new info on galactic halos.
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Supermassive black holes and the galaxies where they reside grow in tandem, even "self-correcting" when one outpaces the other.
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