For nearly a century, astronomers have known that the universe is expanding. Most galaxies are carried outward with the flow ...

In A Nutshell Astronomers have identified 18 ancient, dust-shrouded galaxies from the universe’s first billion years that ...

You might think galaxies can’t ever find each other in our runaway cosmos, but it turns out gravity can sometimes overcome ...

Space observatories tend to work quietly, collecting data long before images reach the public. In March 2025, NASA launched the SPHEREx space telescop.

Physicist Sean Carroll explains how physics, astronomy, philosophy, and classics all help us understand the expanding ...

New radio observations of molecular gas reveal how dozens of galaxies could have rapidly merged together in the early Universe.

While nearly all massive galaxies possess central black holes, the presence of such black holes in dwarf galaxies remains an open question, with previous estimates identifying them in only 0.5% of ...

The James Webb Space Telescope has revolutionized astronomy in just two years of operations, but how can it see a galaxy 33.8 billion light-years away in a universe that is only 13.8 billion years old ...

NEW YORK – A new high-resolution map of distant galaxies may help scientists understand a mysterious invisible substance that helps hold the universe together. The ordinary matter all around us – ...

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