Although underwater scooters may offer users an aquatic "thrill ride," many of the things don't go much faster than the person could swim on their own. Such is not the case with the Sublue Vapor, ...

Soundtrack your swims with the best headphones for swimming, tried and tested by the Good Housekeeping Institute. Shop our top picks from Shokz and H2O.

Gentoo penguins are the world’s fastest swimming birds, clocking in at maximum underwater speeds of up to 36 km/h (about 22 mph). That’s because their wings have evolved into flippers ideal for moving ...