Most explanations rely on "dark energy" to explain the Universe's accelerating expansion rate, but a new study takes a different path.
In the basement of Kirchhoff-Institut für Physik in Germany, researchers have been simulating the Universe as it might have existed shortly after the Big Bang. They have created a tabletop quantum ...
T.P. Walker, G. Steigman, D.N. Schramm, K.A. Olive, H.S. Kang, "Primordial nucleosynthesis redux," The Astrophysical Journal, 376:393, 1991. Terry Walker (Ohio State ...
“The cosmological principle is like an ultimate kind of statement of humility,” explains James Adam, astrophysicist at the University of the Western Cape, Cape Town, South Africa, and lead author of ...
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Does the universe behave the same way everywhere? Weak gravitational lensing could provide an answer
A study published in the Journal of Cosmology and Astroparticle Physics (JCAP) presents a methodology to test the assumption of cosmic homogeneity and isotropy, known as the Cosmological Principle, by ...
The Einstein–Gauss–Bonnet framework extends Einstein’s theory of General Relativity by including a higher-order curvature term that gains dynamical relevance in dimensions beyond four. This approach ...
New research suggests that the largest cosmic structure is even bigger and closer to Earth than we knew. It goes against scientists' models of cosmic evolution.
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