Observations of galaxy rotation curves: Evidence for Dark Matter in Spiral Galaxies Dark matter’s role in explaining rotation curves: The Rotation Curves of Spiral Galaxies QI theorists contend that ...

With this giant vat of chemicals, scientists hope to detect the historically undetectable, a mysterious substance that makes up more than 85 percent of all mass in our universe: dark matter. “One of ...

Scientists have calculated the mass range for Dark Matter -- and it's tighter than the science world thought. Scientists have calculated the mass range for Dark Matter -- and it's tighter than the ...

Dark matter is a hypothetical form of matter that ... Dutch astronomer Jan Oort in 1932 to explain the so-called "missing mass" necessary for things like galaxies to clump together.