Cold dark matter theory holds that galaxies formed gradually in the early universe. So in accordance with CDM, astronomers always assumed that when we finally had the optical wherewithal—I want to say ...

A research team led by Prof. Wang Huiyuan from the University of Science and Technology of China (USTC) has made a groundbreaking discovery, identifying for the first time an exceptionally strong ...

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Dark matter, one of the Universe’s greatest mysteries, may have been born blazing hot instead of cold and sluggish as scientists long believed. New research shows that dark matter particles could have ...

The earliest galaxies are thought to have formed as the gravitational pull of dark matter, which has been impossible to study directly, slowly drew in enough hydrogen and helium to ignite stars. But ...