Have a tennis ball in your garage? It may unlock clues into your lifespan. A quick test of strength with a tennis ball may be able to tell you if you’re going to live to 100 years old.

An easy tennis ball test can gauge grip strength. Getty Images There are a few ways to gauge grip strength — such as a pricey handgrip dynamometer and the hanging bar method. Joshua Davidson ...

If trees really could grow tennis balls, one pup would be the happiest in the world. And judging by his daily routine, he might actually believe they do. A recent viral video has viewers laughing ...

Polish tennis star Iga Swiatek drew harsh boos during her match Friday when she aggressively hit a ball toward a ball boy in frustration. Swiatek faced Russian 17-year-old Mirra Andreeva in the ...

Fans on social media said the Polish tennis player should have shown "more grace" Clive Brunskill/Getty Polish tennis star Iga Świątek was booed during her semifinal match against 17-year-old ...

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Tennis fans might sometimes wonder what pros are doing when they stop to inspect a new ball before putting it into play. Are they stalling to contemplate strategy? Checking the manufacturer?

TURIN – The small furry objects that are the focus of every tennis player’s energy are spinning the stars at the ATP Finals into a fury and leaving them deflated. “The balls are a big ...

The ATP is trying to solve the problem. By Stuart Miller Yellow felt and a rubber core. A tennis ball seems so simple. But reality is more complicated, at least on the pro tours where ...

Prior to the San Antonio Spurs' season opener against the Dallas Mavericks on Thursday night, Wembanyama could be seen getting loose at the arena by juggling tennis balls while doing some squats ...

Over 300 million tennis balls end up in landfills every year. Mathilde Wittock is a Belgian artist, bio/eco-designer, and material researcher who focuses on sustainable innovation. Her projects offer ...