In an effort to bring together the domains of gravity and quantum theory, Albert Einstein and Nathan Rosen proposed a ...

Einstein’s claim that the speed of light is constant has survived more than a century of scrutiny—but scientists are still daring to test it. Some theories of quantum gravity suggest light might ...

In a 1923 book called “The Principle of Relativity,” Albert Einstein seemed to call out to better-equipped scientists of the future to establish the truth of his mind-bending theoretical work. “Apart ...

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a ...

A famous aphorism by Albert Einstein is carved in stone, in the original German, over the mantelpiece of one of the common rooms at Princeton. When I was a graduate student I would sometimes take ...

As Albert Einstein wrote elegantly about our experience of time and space, he also devoted his days to the process of social transformation: the question of how one world becomes another. He was ...

Quote of the day by Albert Einstein highlights thinking beyond limits. The quote connects with Einsteins life, education, and ...

Ultracold atoms sit at the heart of the quantum-technology revolution. India has built a strong and steadily growing presence ...

Discover everything about Shrinivas Kulkarni, the 2026 RAS Gold Medalist. Learn about his groundbreaking work at Caltech, his ...