Many leading physicists are searching for a single theory that explains all aspects of how the universe works. (discovermagazine.com)
But leading physicists who have studied the matter say that well - established principles all but guarantee that neither catastrophe would occur. (sciencemag.org)
Dark matter is the dominant form of substance in the universe, which leads physicists to devise theories and experiments to explore its properties and understand how it originated. (sciencedaily.com)