Current physics is speeding toward a breaking point, as astronomers confirm that the Hubble tension in new data.

Astronomers are confronting galaxies that look too big and too old for the early universe, hikers and internet sleuths are ...

"It means cleaning house, narrowing the viable paths forward, and no longer spending energy on what are evidently dead ends." ...

Discover how Ramanujan's century-old pi formulas connect to modern cosmology and turbulent fluid physics in groundbreaking ...

Then there was the September discovery of C/2025 R2 (SWAN), a comet so bright that even when it was near the moon on ...

New measurements of radio galaxies reveal that the solar system is racing through the universe at over three times the speed predicted by standard cosmology. Using highly sensitive data from multiple ...

The Atacama Cosmology Telescope in Chile not only confirmed one of the greatest mysteries in the universe—it also ruled out ...

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

A dazzling galaxy discovered by the James Webb Space Telescope (JWST) is forcing cosmologists to reexamine key assumptions about the early universe. The object, JADES-GS-z13-1, appears just 330 ...

The clearest pictures yet of the newborn cosmos strengthen the prevailing model of the universe but deepen a mystery about its expansion rate. Measurements of this rate, known as the Hubble constant, ...

Findings from a new study into the cosmic "afterglow" may rewrite the history of the universe, according to researchers. This afterglow—the "cosmic microwave background" (CMB), the relic radiation ...