Even given a set of possible quantum states for our cosmos, it's impossible for us to determine which one of them is correct ...

Long before quantum mechanics existed, a scientist developed a powerful way of describing motion by drawing an analogy between particles and light.

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An old puzzle in particle physics has been solved: How can quantum field theories be best formulated on a lattice to ...

For more than a century, modern physics has rested on two towering frameworks that do not quite agree with each other.

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

Wormholes are often imagined as tunnels through space or time—shortcuts across the universe. But this image rests on a misunderstanding of work by physicists Albert Einstein and Nathan Rosen.

Columnist Natalie Wolchover checks in with particle physicists more than a decade after the field entered a profound crisis.