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Ever wonder why there’s all this matter lying around in the universe, and no antimatter? Who’s been hogging all the antimatter? Physics, that’s who. Apparently, antimatter is rare because it [...]
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There's nothing in the laws of physics that actually requires matter to dominate antimatter, and yet all our observations of the universe suggest that that's the case. But some unexpected behavior by ghostly neutrino particles could... Read Post

Physics is still grappling with two basic questions about the nature of matter: why is there more matter than antimatter, and where and what is all the dark matter? Meet the hypothetical X particle, the potential answer to both ques... Read Post

Immediately after the Big Bang, the earliest elementary particles fought for supremacy, with matter emerging victorious over antimatter. Exactly how that happened, though, had remained mysterious until now, as new data suggest a par... Read Post