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

Three years after Motomami cemented her global appeal, Rosalía is back with a daring album that rethinks the type of music a ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

The ways you naturally choose to spend your free time might reveal more about your cognitive abilities than any test ever could.

We live in the present, moving through time. As events come and go, everything fades into the past. But what is time, really?

It’s that time of year again — one of the two biannual time changes, this return to standard time. While Americans dislike the “fall back” change less than the “spring ahead” to daylight saving time ...

New research from the University of Waterloo is making inroads on one of the biggest problems in theoretical computer science ...

A time crystal that beats to the rhythm of both order and chaos has revealed a new way in which matter can keep time. New ...