When experts sketch out nightmare hurricane scenarios, a New York strike tends to be high on the list. Besides shaking skyscrapers, a major hurricane could send the Atlantic Ocean surging into the nation's largest city, flooding Wall Street, subways and densely packed neighborhoods. As ...

Researchers on Tuesday confirmed the second known case in which a baby shark appears to have been conceived without the mother having mated with a male. According to a weekend report in The Journal of Fish Biology, the study seems to indicate that female sharks can reproduce without fertilization of their eggs by a male. Dermian Chapman, a shark expert ...

Think "fertility problem," and most people assume there's something wrong with the female half of the conception equation. In fact, when couples are having trouble making a baby, what's known as "male factor" is responsible an estimated 40 percent of the time. Here's what a guy can do—and what he should avoid doing—to maximize his ...