The Hubble Space Telescope has discovered a galaxy in the the Perseus galaxy cluster that is "composed of 99% dark matter," ...

For more than a decade, physicists hunting dark matter in the Milky Way’s core kept circling the same clue: a faint glow of ...

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There is a lot of matter in our galaxy that we can’t see. It’s called dark matter. Have you ever looked up at the night sky and thought it looks like a lot of empty space? Turns out, it’s not empty ...

Dark matter doesn’t emit, absorb, or reflect light. It’s invisible but supposedly makes up 85% of the universe’s mass. Because it’s so abundant, astronomers believe it should explain many unsolved ...

Galaxies are far more than the sum of their stars. Long before stars even formed, dark matter clumped up and drew regular matter together with its gravity, providing the invisible scaffolding upon ...

Researchers may have identified what could be a compelling clue in the ongoing hunt to prove the existence of dark matter. A mysterious diffuse glow of gamma rays near the center of the Milky Way has ...

NASA's Hubble Space Telescope captures the magnificent starry population of the Coma Cluster of galaxies, one of the densest known galaxy collections in the universe — and where the effect of dark ...

Modern cosmology assumes dark matter exists. But what makes us so certain that dark matter is the answer—and what if we're wrong?

The absence of a signal could itself be a signal. This is the idea behind a new study published in the Journal of Cosmology and Astroparticle Physics, which aims to redefine how we search for dark ...