Avi Wigderson's pioneering work on randomness advanced the idea that some problems may simply be beyond even the most powerful computers.

Scientists have established a relationship between the complexity of a problem, and the physical processes of entanglement ...

Is the brain like a computer? In some ways it is, and studying how the brain performs computations could help us identify new causes of mental illness.

We're often told it is "unscientific" or "meaningless" to ask what happened before the Big Bang. But a new paper by FQxI ...

Researchers have proved that secure quantum encryption is possible in a world without hard problems, establishing a new foundation for what is needed to keep information secure.