he published the general theory of relativity. In it, he suggested that gravity is not a force, as Newton had believed, but the result of a curvature of the space-time continuum -- the four ...

The Lead anchor Jake Tapper delivered a highly critical monologue at the top of his show Wednesday about Robert F. Kennedy Jr ...

Einstein’s general theory of relativity can be summed up in just 12 words: “Space-time tells matter how to move; matter tells space-time how to curve”. But this short description from the ...