Now, two unrelated-but-similar experiments confirm that, in a double-slit experiment, detection of a photon’s path (its ...

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 ...

Einstein’s Theory of General Relativity is currently our best approximation of how the universe ticks. But there are holes.

There is a tendency to imagine genius as smooth and uninterrupted. As if the great thinkers moved from one insight to the next without pause. Albert E.

From Nara, Einstein and Elsa traveled overnight by train “from 6 p.m. to 6 a.m.” to Hiroshima Prefecture. In the early ...

Former Rep. Steve Israel (D-N.Y.) is going from politics to the page, leaving the thrills and chills of Congress to release a ...

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

Do you know what connects Edwin Hubble’s theory for an expanding universe and Albert Einstein’s cosmological constant? The ...

The Princeton that Albert Einstein knew in 1933 was sharply divided by the color line; a long-established border—marked by ...

The man was the smartest person on the planet. On his birthday, why not celebrate by quoting him and sounding brilliant?