Jeff Steinberg's backyard oasis has a luxury pool with a walk-in beach, an integrated hot tub and a stream with local river rocks. But there's something it doesn't have: chlorine. His natural swimming ...

Ariarne Titmus, a four-time Olympic swimming gold medalist for Australia who forged a rivalry with Katie Ledecky, announced her retirement at age 25.

The Americans held back the tide. A longstanding swimming rivalry between the United States and Australia appeared poised to have a new winner at the Paris Olympics. While the U.S. has dominated in ...