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

Researchers at the University of California, Los Angeles (UCLA) have developed an optical computing framework that performs ...

With new evidence that catastrophic climate-change "tipping points" are nearing - from surging sea levels as polar ice melts ...

Republican Jack Ciattarelli spent part of a recent rally in Wildwood, New Jersey, tossing bright red “Make NJ Great Again” hats to supporters in the crowd. To become the state’s next governor, ...

The original version of this story appeared in Quanta Magazine. If you want to solve a tricky problem, it often helps to get organized. You might, for example, break the problem into pieces and tackle ...