Astronomers cannot agree on how fast the universe is expanding ...

Astronomers cannot agree on how fast the universe is expanding

"This suggests cosmology might be wrong about something fundamental... "

The Economist, 

IT IS ONE of the biggest mysteries in cosmology—and getting bigger all the time. Ever since Edwin Hubble, an American astronomer, published observations of distant galaxies in 1929, scientists have known that the universe is expanding. For almost 30 years they have known that the expansion is accelerating... 

Source:

(*) https://www.economist.com/science-and-technology/2025/08/06/astronomers-cannot-agree-on-how-fast-the-universe-is-expanding