“If you are a mathematician,” one of the world’s leading mathematicians recently wrote, “you may want to make sure you are sitting down before reading further.” And you’ll definitely need to sit down ...

In the aftermath of Frances Tiafoe's second-round French Open victory Thursday, the American turned his attention to another task: getting his game-winning racket back. Tiafoe outlasted Hubert Hurkacz ...

Daniel Altmaier was not defaulted despite his racket hitting spectators at the Hamburg Open. ATP Media Ahead of the French Open, tennis is again reckoning with one of its strangest approaches to ...

OpenAI claims its new reasoning model has produced an original mathematical proof disproving a famous unsolved conjecture in geometry, which was first posed by Paul Erdős in 1946. If this sounds ...

Recursive Superintelligence has raised $650 million at a $4.65 billion valuation in a funding round led by GV and Greycroft, according to the company. The round also included participation from AMD ...

Recursive Superintelligence Inc., a startup that hopes to develop self-improving artificial intelligence models, launched today with $650 million in funding. Alphabet Inc.’s GV fund and Greycroft led ...

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HEAD unveiled its latest innovative technology in the form of SQUARED, an innovative tennis racket using dual-tube architecture to separate power from comfort in a single frame. The outer tube in the ...

Forbes contributors publish independent expert analyses and insights. Tim Newcomb covers tennis gear/business, stadiums and shoe tech. Mizuno’s nearly 80-year history of making tennis rackets hasn’t ...

Corentin Moutet, a player with many racket throws, took it to an extreme last week. Eamonn Dalton / The Athletic; Getty Images Welcome back to the Monday Tennis Briefing, where The Athletic will ...