A new technique breaks Dijkstra's 70-year-old record: it finds routes faster in huge networks, changing graph theory forever.

Pour one out for the ancient MetroCard and its equally old cousin, the PATH SmartLink card. The beginning of the end for these longtime ways to pay fares on the bi-state PATH system came Thursday when ...

The cost of a single PATH train ticket is set to increase next spring — and will climb steadily each year until it hits $4 by 2029, Port Authority officials said. A single trip on the PATH train, ...

As we draw closer to Christmas and winter sets in, the days become shorter and darker, with the winter solstice marking the shortest day of the year. But when exactly is the shortest day of the year, ...

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 ...

The change is imperceptible but Earth can rotate over a millisecond faster. Scientists predict Aug. 5 just might be one of the shortest days of 2025. On Tuesday, Earth may rotate up to 1.25 ...

Across the Northern Hemisphere, people are soaking up the long hours of summer sunlight, with no idea that they’re experiencing some of the shortest days since modern timekeeping began—by a ...

Several factors are causing the length of a day on Earth to change. Tuesday, July 22 will be the second-shortest day of the year, as Earth completes a full rotation in less time than usual. The planet ...

Our planet has been rotating at its fastest since records began in 1973. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Earth will complete a ...

Where does the time go? For once, we know for sure — sort of. If tomorrow, July 9, feels even shorter than your average day filled with too much to do, there’s a scientific phenomenon that’s to blame, ...

This year's shortest day—Earth's fastest single rotation—will likely fall on July 9, July 22, or August 5. Reading time 2 minutes Earth might be about to spin out its fastest day on record. And no one ...