Because we teach them to hate it.
There are plenty of cats that love water, according to Sandi Sawchuk, a clinical instructor at the School of Veterinary Medicine.
Big, wild cats, especially those that live in hot, arid areas, often love to swim. An Asian species known as the fishing cat uses webbed paws to dive for [...]

400 years ago, Galileo discovered the moons of Jupiter. We discover water from 11 billion years ago, volcanoes at Titan, a moon of Saturn, and good reasons to shun light pollution.

It’s a boom time for studying Mars, and the perfect time for the be-all, end-all summer vacation. Ride a robot rover. Dune-buggy an unearthly dune field. Even meet-and-greet a real live Martian! All aboard for Mars!

Gills are the equivalent of a mammal’s lungs, says Jeffrey Malison, director of the aquaculture program at University of Wisconsin-Madison. “Their primary purpose is to exchange gases, take oxygen in and release carbon dioxide out of the fish.”
Both lungs and gills have a bed of very small blood vessels with thin walls that the gases [...]