It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...
Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...
The universe is expanding, but astronomers still cannot agree on exactly how fast. That mismatch, known as the Hubble tension ...
The tension of cell membranes (which are made of lipid bilayers) plays an important role in a host of biological processes, such as cell motility, endocytosis and cell division, but measuring this ...