🔬 Science 1d ago · Ethan Siegel

One blip isn’t enough to declare “dark matter has been detected”

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One blip isn’t enough to declare “dark matter has been detected”
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Since it was first proposed way back in the 1930s, scientists have wondered about whether the matter we know of — atoms, their constituents, and other subatomic particles — represent all the matter that exists in the Universe, or whether there’s an unseen form of matter making up the majority of the cosmic mass budget: dark matter. Although the evidence for it has been largely indirect and astrophysical in nature, the cumulative case for dark matter is incredibly strong, coming from many differe

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