Fill the grid so that every row, every column and every 3x3 box contains the numbers 1 to 9. To see the completed puzzle, buy the next issue of the Guardian (for puzzles published Monday to Thursday).

Can you crack Killer Sudoku's mathematical twist? The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each inner ...

Can you crack Killer Sudoku's mathematical twist? The objective of Sudoku is to fill each row, column and sub-grid with exactly one of each number from 1-9. In Killer Sudoku, the digits in each inner ...

Normal sudoku rules apply, except the numbers in the cells contained within dotted lines add up to the figures in the corner. No number can be repeated within each shape formed by dotted lines. To see ...

Let’s be real: Running 26.2 miles isn’t easy. Even if it feels like everyone around you is training to run a marathon these days, less than 1 percent of the population actually conquers the iconic ...

These five investing apps can help anyone start investing in 2026, no matter what their ultimate investing goals are. Many, or all, of the products featured on this page are from our advertising ...

Looking for a new fitness routine this January? Start here. Credit...Janelle Jones for The New York Times Supported by By Erik Vance Each week this January, the Well team will suggest a program of ...

Linux has long been known as the operating system of developers and power users, but today it’s far more accessible than ever before. Thanks to user-friendly distributions that prioritize simplicity, ...

Jan is ready for a new challenge. She's recently moved to Colorado and wants to take advantage of the new terrain and start mountain running. Before the move, she'd been working on her fitness for ...

This article is part of CNN Underscored’s The Reset, an editorial package featuring all our articles aimed at giving you the information and product recommendations to help achieve any and all New ...

I’ve been thinking a lot about shoshin lately, the Japanese word for “beginner’s mind.” I first wrote about it here, after learning the word from a guest on my podcast Fifty Words for Snow. My co-host ...