In astronomy, dark matter is an invisible and hypothetical form of matter that does not interact with light or other electromagnetic radiation. Dark matter is implied by gravitational effects that …

Feb 19, 2025 · dark matter, a component of the universe whose presence is discerned from its gravitational attraction rather than its luminosity. Dark matter makes up 30.1 percent of the …

Apr 7, 2025 · Dark matter is that invisible glue that keeps stars, dust, and gas together in a galaxy. This mysterious substance makes up the majority of a galaxy's mass and forms the …

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 …

Aug 6, 2024 · Dark matter is entirely invisible, emitting no light or energy, making it undetectable by conventional sensors and detectors. Scientists believe that the key to its elusive nature lies …

Mar 19, 2025 · Dark matter is a mysterious substance that affects and shapes the cosmos, and scientists are still trying to figure it out. Everything scientists can observe in the universe, from …

May 9, 2018 · Physicists and astronomers have determined that most of the material in the universe is “dark matter”—whose existence we infer from its gravitational effects but not …

Mar 4, 2025 · Dark Matter Learn how dark matter is detectable through its gravitational effects. Despite its elusive nature, dark matter is a crucial component of the cosmos. Because it is …

Mar 18, 2025 · Dark matter might not be one particular particle—it may be a whole hidden sector of dark particles and forces. As other, simpler theories of dark matter have failed to find …

The fundamental nature of dark matter remains an outstanding puzzle of astrophysics, cosmology, and particle physics: figuring it out could provide clues to new fundamental …