Find out where the world’s billionaires live.

Pollution by any yardstick is a bad bet, and for all the progress, the U.S. and China have a long way to go.

The black market for Academy Awards is thriving.

If a car doesn’t cost at least $440,000, don’t expect to see it here.

Air travelers face the biggest risk of death or injury on the ground.

Find out why fresh isn’t necessarily better than frozen and all-natural doesn’t always equal all-good-for-you.

When it comes to the most luxurious properties around the globe, the price tags are as unique as the pads.

Looking to drop $15 million? Then the world’s most expensive diamonds await.

Americans are getting fatter, and other nations are following suit.

Big pharma wants to improve your sex drive with such fixes as spray-on condoms and speedy nose sprays. Are you ready?