Everyone knows that dogs are a man’s best friend—but cats can be great companions too. What does the research say about well-being differences between cat and dog owners? So, is the debate settled?

A heap of scientific evidence shows that for most people, owning a pet is good for the mind and body. There's a cost, however, for all that purring, playing, tail-wagging joy. From pet hospital bills ...

Hello and welcome to Financial Face-off, a MarketWatch column where we help you weigh financial decisions. Our columnist will give her verdict. Weigh in on whether you think she’s right in the ...

ceremony at Washington National Cathedral in October 2006. When it comes to pursuing prey, dogs do it much more efficiently than cats. So do humans, for that matter. The fact that cats are generally ...