Shortest path algorithms sit at the heart of modern graph theory and many of the systems that move people, data, and goods around the world. After nearly seventy years of relying on the same classic ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. The Northern Hemisphere’s shortest day and longest night of ...

The shortest day of the year is not something to celebrate, you might think. Something to get through, like a layoff or a cold, in hopes of better — or at least longer — days to come. But the ancients ...

As the nights grow longer and temperatures continue to drop, the 2025 winter solstice is just around the corner. The winter solstice marks the shortest day of the year, bringing the least amount of ...

The shortest day of the year is Dec. 21. Not something to celebrate, you might think. Something to get through, like a layoff or a cold, in hopes of better — or at least longer — days to come. But the ...

The shortest day of the year is almost here, Californians, as the last day of fall approaches. The winter solstice is on Sunday, Dec. 21, in the Northern Hemisphere and it occurs at 7:03 a.m. PT, ...

Nov. 25 (UPI) --A therapy horse living in Germany was dubbed the shortest living horse by Guinness World Records, standing at a diminutive 21.1 inches tall. Carola Weidemann said she adopted Pumuckel ...

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 ...

Kamala Harris’s 107 Days offers a devastating indictment of Joe Biden. It also documents the limits of her own politics. Presidents cast long shadows. Vice presidents are usually doomed to live in ...

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 ...