All the tools for measuring it in the local, recent Universe give fairly consistent results, around 72 to 74 kilometers per ...

A difference of a few kilometers per second might not sound like much. In cosmology, it has become one of the field’s most ...

A new synthesis of astronomical measurements confirms a persistent mismatch that could point to physics beyond current models ...

The most precise measurement yet shows the Universe is expanding faster than expected, deepening the Hubble tension. The ...

A comprehensive new study combines decades of research to reveal that we're missing an essential component in our ...

The universe is expanding, and after decades of work, astronomers still cannot agree on how fast. That disagreement, known as ...

The first method involves direct distance measurements from nearby stars and galaxies. In contrast, the second looks further ...

Using a new framework, astronomers arrived at the most precise measurement of our universe’s expansion rate—but things still ...

“You can journey to the ends of the earth in search of success,” 19th-century Baptist preacher Russell Conwell is said to have proclaimed, “but if you’re lucky, you will discover happiness in your own ...

A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...