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

While some UI departments might not feel the full brunt of the strain yet, faculty and graduate students say it’s getting harder to balance the work.

2025 has been an interesting year for video games, as the current-gen PlayStation and Xbox systems are well into their lifespans while the Nintendo Switch's successor, the Switch 2, is just beginning ...

If you’re shopping for the best travel gifts for men this year, we’ve selected our favorite products to give in 2025 for every budget, from tech devices to luggage and accessories.

Peter is a writer and editor for the CNET How-To team. He has been covering technology, software, finance, sports and video games since working for @Home Network and Excite in the 1990s. Peter managed ...