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

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

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

For the last several years, cosmology – the study of the universe as a whole – has been facing a major tension. The two main ...

Early-universe probes, including the cosmic microwave background, baryon acoustic oscillations, and the inverse distance ladder, point to lower values, about 67 to 68 km/s/Mpc. The disagreement sits ...

Prefer Newsweek on Google to see more of our trusted coverage when you search. New findings into a cosmic puzzle suggest that scientists may have "misunderstood the universe." Astronomers know that ...

When humans look up at the night sky, they naturally ask the question: How far away is that planet, or that star, or that galaxy? Distance is one of the most fundamental measurements astronomers make, ...

Artist’s interpretation of the cosmic distance ladder — a succession of overlapping methods used to measure distances across the Universe, where each rung of the ladder provides information that can ...