A comprehensive new study combines decades of research to reveal that we're missing an essential component in our ...
All the tools for measuring it in the local, recent Universe give fairly consistent results, around 72 to 74 kilometers per ...
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New expansion-rate measurement deepens the 'Hubble tension' mystery
The universe is expanding about 10% faster than it should be, and a fresh set of measurements just made the problem harder to ...
A major international effort has produced an ultra-precise measurement of the Universe’s expansion rate, confirming it’s ...
Trying to measure the size of the universe is no easy task. We know that the universe is expanding, though the exact rate of this expansion is not yet fixed. So one method that astronomers use to tell ...
A new synthesis of astronomical measurements confirms a persistent mismatch that could point to physics beyond current models ...
The first method involves direct distance measurements from nearby stars and galaxies. In contrast, the second looks further ...
The cosmic distance ladder is the world’s longest ruler, built to measure the universe. Since the time of the ancient Greeks, scientists have been constructing a cosmic measuring tape to measure the ...
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