Physicist Richard Lieu first explored the idea that gravity could exist without mass—now he’s got a new cosmological model ...

To McGaugh, that calls into question the standard theory around dark matter and gives validity to an alternative theory called Modified Newtonian dynamics, or MOND. Developed by Israeli scientist ...

The team suggests that it's time to consider alternatives to the Lambda cold dark matter model, and they suggest modified Newtonian dynamics, or MOND. This hypothesis, first proposed in 1982 ...