These are math’s most famous open questions. Solve one, and you’ll win a $1-million prize—but it’s only happened once since ...

After 80 years of fruitless struggle by human mathematicians, a major geometry conjecture has at last been solved—via a straightforward query to a chatbot. “No previous AI-generated proof has come ...

The process of cellular engineering is rapidly accelerating owing to advances in technologies to manipulate DNA and other biomolecules, giving rise to the field of synthetic biology. A meeting was ...

Since the launch of the Crossword in 1942, The Times has captivated solvers by providing engaging word and logic games. In 2014, we introduced the Mini Crossword — followed by Spelling Bee, Letter ...

The major histocompatibility complex (MHC) is a group of genes that encode proteins on the cell surface that have an important role in immune response. Their main role is in antigen presentation where ...

Deputy Director of Audience Development by day, mastermind behind Word Chain by night.

Mermaid Raid:The Problem Solvers must free a captive Mermaid from a gang of unruly porpoises. But there's just one catch: Alfe is terrified of the water.