Astronomers

Astronomers discover ‘Quipu,’ the single largest structure in the known universe

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A diagram showing the location and shapes of five newly discovered superstructures

Astronomers have discovered what may be the largest-scale structure in the known universe — a group of galaxy clusters and clusters of galaxy clusters that spans roughly 1.3 billion light-years across and contains a mind-boggling 200 quadrillion solar masses. The newfound structure is dubbed Quipu after an Incan system of counting and storing numbers using … Read more

Hubble trouble or Superbubble? Astronomers need to escape the ‘supervoid’ to solve cosmology crisispro

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New research suggests that a troubling disparity in the rate of expansion of the universe, known as the Hubble constant, may arise from the fact Earth sits in a vast underdense region of the cosmos. The issue has come to be known as the “Hubble tension.” It arises from the fact that there are two … Read more