Astronomers have discovered a barren cosmological orb 1.8 billion light-years wide. Dubbed the “supervoid,” this immense stretch of relative emptiness (compared to the rest of the universe) helps ...

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"Our best theory of cosmology is wrong. That is a problem, but nature does not care about our theories!" When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

New research suggests that a troubling disparity in the rate of expansion of the universe, known as the Hubble constant, may ...