General relativity is an astonishingly beautiful theory, and grappling with why it disagrees with quantum mechanics is a joy, ...

Quantum mechanics rules subatomic particles, while general relativity explains gravity’s role in shaping space and time. A ...

general relativity is one of two pillars of modern physics – our working theory of gravity and of the very large, of planets, galaxies and the universe as a whole. It is an extension of Einstein ...