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 ...

Einstein was a great thinker who made plenty of mistakes—errors that sometimes led to more meaningful discoveries in physics, long after his passing. Reading time 5 minutes Albert Einstein is ...

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

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

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 ...

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

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 ...

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