The Atacama Cosmology Telescope in Chile has released its final batch of data after 15 years — and it proves that the Hubble ...

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

Our understanding of the true nature of the cosmos relies on measurements of its expansion, but cosmologists have been ...

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 ...

Final data from the Atacama Cosmology Telescope has ruled out 30 models of the universe, sharpening the Hubble tension and ...

New observations with the Atacama Cosmology Telescope in Chile reveal the earliest-ever "baby pictures" of our universe, showing some of the oldest light we can possibly see. When you purchase through ...

Brian Cox explains why cosmology can feel truly terrifying 🌌. From the vastness of the universe to humanity’s tiny place ...

Then there was the September discovery of C/2025 R2 (SWAN), a comet so bright that even when it was near the moon on Halloween, it was still quite visible to observers. And there was comet 3I/Atlas, ...

These are very beautiful pictures of cosmology, which helped us understand the movements in space. Various gases came ...