The tournament has previously donated tennis balls to conservation groups that turn them into homes for harvest mice, but ...

Tennis has a fuzzy yellow problem most players don't think about when they open can after can of fresh balls, or when umpires at U.S. Open matches make their frequent requests for "new balls ...

An 8-year-old in Milford runs a tennis ball stand to sell his dad's used tennis balls and has also donated them to animal ...

You can't play tennis without tennis balls. Yet an increasingly vocal group of players says that the tennis balls used on tour are behind a major problem: They're causing injuries.

A greener tennis ball But experts and environmentalists question whether those initiatives are viable enough to make a dent, and they say such efforts don't address the underlying problem of a ...

Yellow felt and a rubber core. A tennis ball seems so simple. But reality is more complicated, at least on the pro tours where manufacturers can make balls that fit into a range of specifications ...

At the top of the list is the tennis ball design—substantially unchanged since the advent of pressurized balls in the 1920s—consisting of a felt covering glued to a hollow, air-filled rubber core.