Scientists are testing a novel way to measure cosmic expansion using time delays in gravitationally lensed quasars. Their ...

For much of the twentieth century, scientists expected the expanding universe to slow over time. The opposite turned out to ...

There is an important and unresolved tension in cosmology regarding the rate at which the universe is expanding, and ...

New measurements using gravitational lensing suggest the universe’s current expansion rate does not agree with signals from ...

The famous double-slit experiment brings into question the very nature of matter. Its cousin, the quantum eraser experiment, ...

The Hubble tension is especially troubling because it involves two sets of measurements that offer conflicting views of the ...

From a particle smasher encircling the moon to an “impossible” laser, five scientists reveal the experiments they would run ...

Using the world’s most powerful X-ray laser, scientists have filmed atoms performing an eternal quantum dance that never ...

Researchers confirm Bohr's predictions over Einstein's theory in a groundbreaking one-atom experiment, revealing insights ...

A team of astronomers using a variety of ground and space-based telescopes including the W. M. Keck Observatory on Maunakea, ...

A research team from the Institute of Modern Physics (IMP) of the Chinese Academy of Sciences (CAS) has directly measured the masses of two highly unstable atomic nuclei, phosphorus-26 and sulfur-27.