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

Why does lead behave so differently from every other atomic nucleus when struck by electrons? A team of physicists at ...

Yuri Ralchenko led one of the oldest teams at the National Institute for Standards and Technology. The fate of some ...

"Precision in these measurements is critical, as even subtle discrepancies could signal deviations from the model — ...

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

A decade-long investigation into puzzling neutrino behavior has now ruled out one of the most widely discussed explanations: the sterile neutrino.

Despite soaring progress, scientists at AI’s largest gathering say key questions about how models work and how to measure ...

A joint effort between two of the world’s largest neutrino experiments has brought scientists closer to understanding how the ...

It’s a powerful technique, but small uncertainties at each step can add up, something critics argue may be behind the Hubble ...

Academics, start-up founders and researchers representing industrial titans from around the globe descended on San Diego for ...

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