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We have known for several decades that the universe is expanding. Scientists use multiple techniques to measure the present-day expansion rate of the universe, known as the Hubble constant. These ...

For years, we’ve believed that the universe is a vast, uniform expanse, with the same properties stretching across the cosmos. But what if that’s not the case? A surprising new discovery suggests that ...

Warning: contains spoilers for Battleworld #2! Marvel’s original MCU experiment quietly began 20 years before Iron Man hit theaters. The MCU revolutionized the superhero movie genre, changing how the ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen. In 1935, ...