Dark matter is implied by gravitational effects that cannot be explained by general relativity unless more matter is present than can be observed.

Aug 29, 2025 · Dark matter is the invisible glue that holds the universe together. This mysterious material is all around us, making up most of the matter in the universe.

Jan 28, 2026 · Dark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity.

May 13, 2025 · Dark matter is an invisible, mysterious substance that makes up more than 80% of the matter in the universe — but scientists aren't sure what it is. While it doesn't emit, absorb, or reflect...

Dec 24, 2025 · Dark matter is invisible matter that does not emit or absorb light but has mass and gravity. Scientists detect it through its effects on galaxy motion and cosmic structure.

Dark matter makes up most of the mass of galaxies and galaxy clusters, and is responsible for the way galaxies are organized on grand scales. Dark energy, meanwhile, is the name we give the …

Jun 21, 2023 · Dark matter is a hypothesized form of matter that does not interact with light or other forms of electromagnetic radiation, but exerts gravitational effects on visible matter, light, and the …

Jul 26, 2025 · Beneath that shimmering facade lies something much deeper, more mysterious, and profoundly more massive: dark matter. It is invisible. It emits no light, reflects nothing, and interacts …

Unlike normal matter, dark matter does not interact with the electromagnetic force. This means it does not absorb, reflect or emit light, making it extremely hard to spot.

Dark matter explained: evidence from galaxies and the CMB, top candidates like WIMPs and axions, and the experiments hunting the universe’s invisible mass.