Physics
See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.
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See the latest physics news and expert analysis on dark matter, the multiverse, theoretical and particle physics, quantum theory, and more from the world of physics.
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The wreckage of an intergalactic pile-up suggests that dark matter is even less well understood than astronomers thought
What do hedgehogs, superfluid helium and cosmic strings have in common?