Although a typical mathematical task has a single correct answer, in some cases, the assumptions of a proposition determine its truth. Such relativity of truth plays a major role in the development of ...

Some of the hardest questions in cosmology begin where the usual math gives up. Push Einstein’s theory far enough back toward ...

Einstein’s theories of relativity reshaped physics, but some of their implications are stranger than even he anticipated.

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Noether discovered that for every continuous symmetry of a system, there is a conserved quantity—that is, a quantity that ...

Tsukuba, Japan—Although a typical mathematical task has a single correct answer, in some cases, the assumptions of a proposition determine its truth. Such relativity of truth plays a major role in the ...