Astronomers have made a groundbreaking discovery that unveils one of the universe’s greatest mysteries: the elusive ordinary matter that lies between galaxies. For decades, scientists have struggled ...

Astrophysicists consider that around 40% of the ordinary matter that makes up stars, planets and galaxies remains undetected, concealed in the form of a hot gas in the complexe cosmic web. Today, ...

Earlier this week, science writer Paul Sutter covered a bold new study that leans toward so‑called “fuzzy” dark matter as the ...

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