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

A research team at the Jülich Supercomputing Center, together with experts from NVIDIA, has set a new record in quantum ...

There's no question that most entrepreneurs thrive on action. But as the Roman philosopher Marcus Tullius Cicero so aptly put it: "Before beginning, plan carefully." Careful planning is precisely the ...

Novak Djokovic put both feet in his mouth by suggesting that male players should be paid more, and by condescendingly praising women athletes for overcoming ''a lot of different things that we don't ...