expansion

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Writer Fuel: Are “Unparticles” Pushing the Universe Apart?

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galaxies - deposit photos

The ever-accelerating expansion of the universe may be driven by a mysterious form of matter called “unparticles,” which do not obey the Standard Model of particle physics, a new theoretical paper suggests. Scientists widely acknowledge that the universe is expanding, though the cause of that expansion remains elusive. One of the most popular proposed explanations … Read more

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WRITER FUEL: Is the Universe’s Party Almost Over?

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NASA - star formation

After nearly 13.8 billion years of nonstop expansion, the universe could soon grind to a standstill, then slowly start to contract, new research published in the journal Proceedings of the National Academy of Sciences suggests. In the new paper, three scientists attempt to model the nature of dark energy — a mysterious force that seems … Read more