Ultrafine dark matter, millions of times lighter than electrons, could flow through the cosmos in waves. We might just have an easy way to check for tiny interactions between this dark matter and the ionosphere. If this idea is validated, it’s an ...

Matter is a lush tapestry, woven from a complex assortment of threads. Diverse subatomic particles weave together to fabricate the universe we inhabit. But a century ago, people believed that matter was so simple that it could be constructed with just two ...

Physicists have unveiled a new way to simulate a mysterious form of dark matter that can collide with itself but not with normal matter. This self-interacting dark matter may trigger a dramatic collapse inside dark matter halos, heating and densifying ...

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At the end of a lecture on astronomy, describing how the planets orbit the Sun, a little old lady at the back of the room stood up and said: "What you've told us is all rubbish. The world is really a flat crust of earth supported on the back of a giant ...

New observations from the James Webb Space Telescope hint that the universe’s first stars might not have been ordinary fusion-powered suns, but enormous “supermassive dark stars” powered by dark matter annihilation. These colossal, luminous hydrogen ...

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A group of particle physicists is likely to recommend that the U.S. government fund dark matter research at a higher level than it is doing now. Research on dark matter has fascinating implications because the bulk of the universe consists of it, and we do ...