Astronomers have known for decades that the universe is expanding. When they use telescopes to observe faraway galaxies, they see that these galaxies are moving away from Earth. To astronomers, the ...

Astrophysicists have a fairly accurate understanding of how the universe ages. That’s the conclusion of new results from the Dark Energy Survey (DES), a large international science collaboration, ...

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A new finding by the James Webb Space Telescope has only entrenched the mystery. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Something is ...

Astronomers studying the largest-ever map of the cosmos have found hints that our best understanding of the universe is due a major rewrite. The analysis, which looked at nearly 15 million galaxies ...

What We Thought We Knew Dark matter has long been a cornerstone of modern cosmology, introduced to explain observed gravitational effects that cannot be accounted for by visible matter alone. Since ...

Physicists can't explain the Hubble tension just by changing the expansion rate in the late universe – this whole class of solutions falls short. When you purchase through links on our site, we may ...

Menlo Park, Calif. -- Astrophysicists have a fairly accurate understanding of how the universe ages: That's the conclusion of new results from the Dark Energy Survey (DES), a large international ...