Foreword / Diana Kormos Buchwald -- Preface -- Part I. Preliminaries. Introduction -- Einstein's first trip to America -- Structure and contents of The meaning of relativity -- Part II. The emerging ...

BOULDER- Black holes, time travel and E= mc^2. They are all related to Albert Einstein's Theory of Relativity. How many of us, though, can actually explain any of it? This year, Einstein's theory ...

The Jewish Telegraphic Agency (J.C.B.) will be glad to answer inquiries for further information about any of the news items contained in this Bulletin. Professor Albert Einstein will lecture on the ...

It might not be obvious to those of us only grappling with more mundane concerns, but for cosmologists bent on unlocking the universe’s deepest secrets, there’s no shortage of problems keeping them up ...

Einstein's theory of general relativity is our best description of the universe at large scales, but a new observation that reports a "glitch" in gravity around ancient structures could force it to be ...

Black hole singularities should not exist, according to theories of quantum mechanics. New tweaks to Einstein's equations of general relativity could finally do away with them, and explain what truly ...