"Dark matter can be red hot when it is born, but still have time to cool down before galaxies begin to form." When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Previous observations of stars whipping around an unseen mass—especially a bright star called S2—have pointed to an object ...

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 ...

According to general relativity, gravity is the distortion of spacetime. Heavyweight cosmic entities like stars or galaxies ...

(Nanowerk News) Researchers at the University of Minnesota Twin Cities and Universit´e Paris-Saclay have challenged a decades-old dark matter theory. Their new research shows that the Universe’s most ...

A new theory for the origins of dark matter suggests that fast-moving, neutrino-like dark particles could have decoupled from Standard Model particles far earlier than previous theories had suggested.

Dark matter makes up most of the mass in galaxies and galaxy clusters. In fact, scientists estimate that ordinary matter makes up only about 5% of the universe, while dark matter makes up about 27%.

At the center of our galaxy, something incredibly heavy is pulling the strings. Stars ...

Researchers from the University of Minnesota Twin Cities and Université Paris-Saclay have reopened one of cosmology’s oldest debates by showing that dark matter may have started its life far hotter ...

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