Two mathematicians have proved that a straightforward question—how hard is it to untie a knot?—has a complicated answer.

Quantum mechanics has at last been formulated exclusively with real numbers, bringing a mathematical puzzle at the heart of ...

The standard interpretation of a null state, or empty state, posits it as devoid of structure. This paper introduces a ...

For the first time, a quantum computer has successfully measured pairing correlations (quantum signals that show electrons ...

Artificial intelligence (AI) is increasingly prevalent, integrated into phone apps, search engines and social media platforms ...

If Hero/Complex teaches us anything, it's that Black men have always embodied heroism—not as myth, but as memory. And ...