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Euclid Mission Reveals Cooling Universe and Declining Star Formation

11/14/2025

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Summary

Story summary

Astronomers using the European Space Agency's Euclid mission report that the universe is cooling and star formation rates are declining.
The Euclid telescope, launched in 2023, analyzed data from over 2 million galaxies and found peak star formation occurred around 10 billion years ago.
Dust temperatures in galaxies have decreased.
Dr. Douglas Scott of the University of British Columbia says the universe will get colder and deader from now on.

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Story summary

Astronomers using the European Space Agency's Euclid mission report that the universe is cooling and star formation rates are declining.
The Euclid telescope, launched in 2023, analyzed data from over 2 million galaxies and found peak star formation occurred around 10 billion years ago.
Dust temperatures in galaxies have decreased.
Dr. Douglas Scott of the University of British Columbia says the universe will get colder and deader from now on.