Quantum teleportation has moved from science fiction into laboratory reality, but not in the way popular culture imagines.

For more than a century, gravity has been the stubborn outlier in physics, perfectly described on cosmic scales yet refusing to mesh with the quantum rules that govern everything else. A growing camp ...

In 1867, Lord Kelvin pictured atoms as tiny knots in an invisible medium called the ether. That picture turned out to be wrong, since atoms are built ...

Knotted structures once imagined by Lord Kelvin may actually have shaped the universe’s earliest moments, according to new ...