The universe's expansion is accelerating, a phenomenon attributed to dark energy, potentially explained by a cosmological constant (Λ) in Einstein's general relativity. The ΛCDM model, the standard ...
Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth. To astronomers, the ...
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Why do 36 of Andromeda’s 37 satellite galaxies point toward the Milky Way? This strange alignment presents a serious Andromeda galaxy mystery that defies the Lambda CDM model, the leading theory of ...
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Could the universe ever stop expanding? New theory proposes a cosmic 'off switch'
Dark energy, the mysterious phenomenon that powers the expansion of the universe, may undergo periodic 'violent transitions' ...
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