A new theory that suggests dark matter is made up of particles that strongly interact with each other via a so-called "dark force." If true, this may finally explain the extreme densities we see in ...

WEST LAFAYETTE, Ind. – The quest for a single theory that unites all of the universe’s fundamental forces has thus far eluded physicists, but that has not stopped a team of them from clearing the way ...

Last week, the chief of space operations publicly released a white paper he has been talking about for the past year. Gen. Chance Saltzman’s paper comes with a bold title, “Competitive Endurance: A ...

A new measurement of the strong nuclear force, which binds protons and neutrons together, confirms previous hints of an uncomfortable truth: We still don’t have a solid theoretical grasp of even the ...

String theory began over 50 years ago as a way to understand the strong nuclear force. Since then, it’s grown to become a theory of everything, capable of explaining the nature of every particle, ...