Whipping his racquet through the air like a cesta in jai alai, Rafael Nadal produces such tremendous topspin that the ball sometimes seems to catapult off the court, creating a shot as challenging to ...

Watch any match at this year's Australian Open and you'll see balls curving in the air or bouncing higher or lower than ...

BBC Sport's Ask Me Anything team explains pitch ratings after the Melbourne Ashes pitch was rated 'unsatisfactory' by ICC.

If you've ever watched a batter get beaten by a ball that curved, jagged or dipped at the last moment, you've seen one of cricket's great mysteries.

C60 molecules have an intriguing ball-shaped structure that suggests several interesting possibilities for motion on surfaces. Indeed, researchers have found that the passage of electrons through a ...

Cody Lindsay does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond their ...