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Computer simulations have become so accurate that cosmologists can now use them to study dark matter, supermassive black holes and other mysteries of the real evolving cosmos.
A roundup of some of the most important discoveries gleaned so far from the Gaia space observatory’s new map of the galaxy.
Two ways of measuring the universe’s expansion rate yield two conflicting answers. Many point to the possibility of new physics at work, but a new analysis argues that unseen errors could be to blame.
The statistician Donald Richards lives to uncover subtle patterns hiding in real-world data.