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

New analysis compares literacy vs. poverty rates for 10,000 districts, 42,000 schools and 3 million kids. Is your school a ...

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 ...

Angelica Leicht is a seasoned personal finance writer and editor with nearly two decades of experience but just one goal: to help readers make the best decisions for their wallets. Her expertise spans ...

The recent teachers’ strike in Alberta drew unprecedented attention to the pressures facing classrooms across the province.

OpenAI is seeking US government loan guarantees to fund a $1T AI infrastructure plan: a move that could redefine public–private investment in technology. But as… ...