For more than six decades, the exact location of the Soviet Luna 9 spacecraft, the first object to land safely on the Moon, has eluded researchers. Now, with the help of artificial intelligence, ...

In mathematics, proofs can be written down and shared. In cryptography, when people are trying to avoid revealing their ...

I'm Not a Robot takes annoying Captchas to A ludicrous logical conclusion.

Our free mini version of the classic crossword puzzle with a business twist. Perfect for the crossword enthusiast who only has a few minutes between meetings. New puzzles go live five days a week, ...

Abstract: This study proposes an Information-guided Pheromone Puzzle Algorithm (IPPA) to address the Traveling Salesman Problem (TSP) with enhanced scalability, convergence speed, and solution quality ...

Whether you're just starting out or have been enjoying the hobby for a while now, you'll know that there's a wide variety of puzzle sizes to choose from nowadays. Some puzzles contain thousands of ...

Take a break and play today's mini crossword for free. There's a fresh mini puzzle to test your wits every day. When you purchase through links on our site, we may earn an affiliate commission. Here’s ...

Meet the PEOPLE Mini, our brand-new, totally free crossword, available only in the PEOPLE App. It’s not just cute — it’s also fast to play, easy to solve and designed for those moments when you want a ...

Abstract: The 8-puzzle problem serves as a fundamental benchmark for evaluating search algorithm performance in artificial intelligence applications. This paper presents a comprehensive comparative ...